电子类常用英汉对照词典11

N

n-exponent,n-指数

N.T.C.thermistor,负温度系数热敏电阻器

Nansen bottle,南森采水器

Nansen opening-and-closing net,南森开团式网

narrow-band filter,窄带滤波器

narrow-band random vibration,窄带随机振动

narrow band spectrum,窄波段

national satellite,国土卫星

national standard,国家标准

natural convection,自然对流

natural electric-field method instrument,自然电场法仪器

natural environment,自然环境

natural field electro-detector,天然场电测仪

natural frequency,固有频率

natural frequency measurement,固有频率的测量

natural frequency of rotor/bearing system,转子支承系统固有频率

natural gamma spectromenter of logger,自然伽玛能谱测井仪

natural inherent frequency,自然固有频率

natural mode of vibration,固有振型

near field,近场

near infrared range(NIR)remote sensing,近红外遥感

near-optimality,近优性

nearest-neighbor,最近邻

nebulizer,雾化器

negative feedback,负反馈

negative knives linear,负刀联线

negative pressure,负压；真空

negative shock response spectrum,负冲击响应谱

negative strain,负应变

negative tempperature coefficient thermistor,负温度系数热敏电阻

nephelometer,浑浊度表

nephoscope,测云器

Nernst equation,能斯特方程

nest,嵌套

net pyrgeometer,净地球辐射表

net pyrradiometer,辐射平衡表

net radiation,净辐射；辐射平衡；辐射差额

net retention time,净保留时间

net retention volume,净保留体积

net sounder,网位仪

net terrestrial radiation,净地球辐射

network frame,网络帧

network management,网络管理

network model,网络模型

network protocol,网络协议

network technique,网络技术

neutral absorption,中性吸收

neutral filter,中性滤光片

neutral zone,中间区

neutrally buoyant float,中性浮标

Newton's fluid,牛顿流体

neutron dosimeter,牛顿流动定律

neutron dosimeter,中子剂量计

neutron logging instrument,中子测井仪

neutron fraiograghy,中子射线照相术

neutron spectromenter,中子能谱仪

neutron-gamma radiometer,中子伽玛辐射仪

Nickel-Chromium/CopperNickel thermocouple,镍铬-铜镍热电偶

Nickel-Chromium/NickelAluminium[Silicom] thermocouple，镍铬-镍铝[硅]热电偶

Nickel-Chromium-Silicom/Nickel-Silicom thermocouple,镍铬硅镍硅热电偶

Nier-Johnson geometry mass spectrometer,尼尔-约翰逊型 双聚焦质谱计

NIM bin NIM,机箱

Niskin sterile water sampler,尼斯金无菌采水器

nitrile rubber(Buna N),丁晴橡胶

nitrogen dioxide trnsfer furnace,二氧化氮转化炉

nitrogen-oxide analyzer,氮氧化物分析仪

NMR absorption band,核磁共振吸收带

NMR absorption line,核磁共振吸收线

NMR equipment,核磁共振仪

NMR line width,核磁共振线宽

no-load,空负荷

no-load test,空载试验

node,节点

noetic science,思维科学

noise,噪声

noise dose,噪声剂量

noise dose meter,噪声剂量计

noise factor,噪声系数

noise generator,噪声发生器

noise level,噪声电平

noise level analyzer,噪声级分析仪

noise prediction,噪声预估

noise room,噪声室

noise suppressing varistor,消噪电压敏电阻器

noise thermometer,噪声温度计

noise transducer [sensor],噪声传感器

nominal cartridge diameter of microphone,传声器极头公称直径

nominal characteristic,名义特性

nominal flow-rate,公称流量

nominal heat value,标定热值

nominal humidity,标称湿度

nominal operating condition,正常工作条件

nominal pressure rating,公称压力

nominal range,标称使用范围；标称量限

nominal range of use,标称使用范围

nominal size,公称通径

nominal temperature,标称温度

nominal travel,标称行程

nominal value,标称值

nominal voltage ratio,标称电压比

non-conformity,不合格

non-contact thermometry,非接触测温法

non-crystalline electrode,非晶体电极

non-delimiter byte,非定界字节

non-destructive inspection,无损探伤

non-destructive inspection machine,无损探伤机

non-dimensional [relative] velocity,无量纲[相对]速度

non-dispersive infra-red gas analyzer;NDIR gas analyzer,非色散红外线气体分析器；NDIR气体分析器

non-engineering system simulation,非工程系统仿真

non-enveloped thermistor,非密封型热敏电阻器

non-function type optic-fibre temperature transducer,非功能型光纤温度传感器

non-interacting control,无相关控制

non-interchangeable accessory,不可互换附件

non-isolated analogue input,非隔离的模拟输入

non-line conversion,非线性转换

non-linear damping,非线性阻尼

non-magnetic strain gauge,抗磁性应变计

non-Newtonian fluid,非牛顿流体

non-radioactive electron capture detector,无放射源电子捕获检测器

non-reference line imaginary real amplitude receiver,无参考线虚分量仪

non-relevant failure,非关联失效

non return magnetometer,无定向磁力仪

non rotational imaging,无旋转成象

non-selective radiator,非选择辐射体

non split stream injector,无分流进样器

non-uniformity of chart [paper] speed,纸速不均匀性

non-uniqueness,非唯一性

noncapacitive a.c.arc,非电容性交流电弧

nondeterminisitic control system,非确定性控制系统

nondeterministic model,非确定性模型

nondiffraction X-ray spectrometer,非衍射X射线光谱仪

nonequilibrium state,非平衡态

nonequilibrium system,非均衡系统

nonlinear characteristics,非线性特性

nonlinear control system,非线性控制系统

nonlinear control system theory,非线性控制系统理论

nonlinear estimation,非线性估计

nonlinear model,非线性模型

nonlinear prediction,非线性预报

nonlinear programming,非线性规划

nonlinear scale,非线性标度

nonlinear system simulation,非线性系统仿真

nonlinear vibration,非线性振动

nonlinear viscous damping,非线性粘性阻尼

nonlinearity,非线性

nonmetallic material testing machine,非金属材料试验机

nonreturn-to-zero (NRZ),不归零制

normal barometer,标准气压表

normal beam technique,垂直法

normal beam testing,垂直法

normal calomel electrode,当量甘汞电极

normal distribution,正态分布

normal flow rate,正常流量

normal modes,正态振型

normal operating conditions,正常工作条件

normal-phase liquid chromatography,正相液相色谱法

normal probe,直探头

normal station,普通站

normal stress,正应力

normal temperature strain gauge,常温应变计

normal thermometer,标准温度表

normalization method,归一法

normalization regulator,归一化调节器

normalized impedance,归一化阻抗

normalized mass spectrum,归一化质谱

normalized reactance,归一化电抗

normalized resistance,归一化电阻

normally closed solenoid valve,常关式电磁阀

normally open solenoid valve,常开式电磁阀

notch filter,节点滤波器

nozzle,喷嘴

n-th nodal unbalance,第n阶振型不平衡谐量

N-type oxide gas sensor,N型氧化物气敏元件

nuclear electric quadrupole moment resonance spectroscopy,核四极共振波谱法

Nuclear Instrument Module (NIM),核仪器模块

nuclear magnetic double resonance,核磁双共振（法）

nuclear magnetic resonance magnetometer,核磁共振磁强计

nuclear magnetic resonance spectroscopy;NMR spectroscopy,核磁共振波谱法

nuclear radiation thickness meter,核辐射厚度计

(nuclear)radiation transducer [sensor],（核）辐射式传感器

nuclei counter,计核器

nude source,裸式离子源

null measurement,指零测量

null method,零位法

null method of measurement,零位测量法；指零测量法；零差测量法

null reading method,零读法

number of degrees of freedom,自由度数

number of effective plate,有效板数

number of theoretical plate,理论板数

numeric key,数字键

numerical aperture (NA),数值孔径

numerical control,数值控制

numerical value (of a quantity),（量的）数值

nutating disc flowmeter,（章动）圆盘流量计

nutating flowmeter,章动流量计

nutrients,营养盐

nutrients analyzer for seawater,海水营养盐分析器

Nyquist plot,奈奎斯特图

O

object language,目标语言

object plane,物面

object program,目标程序

object wave,物体声束

objective evidence,客观证据

objective lens of the scanning electron microscope,扫描电子显微镜物镜

objective lens of the transmission electron microscope,透射电子显微镜物镜

oblique visibility,斜能见度

observability,可观测性；能观测性

observation and recording device,观察和记录装置

ocean bottom seismograph,海底地震仪

ocean date station,浮标站

oceanographic geological instrument,海洋地质仪器

oceanographic instrumentation,海洋仪器

oceanographic measuring system,海洋测量系统

oceanographic observation,海洋观测

oceanographic survey,海洋调查

octave,倍频程

octave(bandwidth)filter,倍频程（宽带）滤波器

octave filter set,倍频程滤波器组

odd-even check,奇偶校验

off-axis response,离轴响应

off-line,离线

off-line processing,离线处理；脱机处理

off-line system simulation,离线系统仿真

office automation (OA),办公自动化

office automation system (OAS),办公自动化系统

office information system (OIS),办公信息系统

officially recognized standard,官方认可标准

offset,静差

offset coefficient,静差系数

oil-filled enclosure (Ex o),充油外壳（Ex o）

oil-water meter,原油水分仪

omegatron mass spectrometer,回旋质谱计

omnidirectional microphone,全向传声器

on-cold column injector,冷柱头进样器

one-dimensional location,线定位；一维空间定位

on-line,在线

on-line assistence,在线帮助

on-line measurement and frequency spectrum analysis,在线测量频谱分析

on-line process gas chromatograph,在线过程气相色谱仪

on-line processing,在线处理；联机处理

on-line real-time processing,在线实时处理

on-line real-time system,联机实时系统

on-line system simulation,在线系统仿真

on-off action,通断作用

on-off controller,通断控制器

one-man atmospheric submersible,常人常压潜水器

one-third octave filter,1/3倍频程滤波器

one-turm time of output shaft,输出轴每转时间

one-way communication,单向通信

open-circuit intermediate voltage,开路中间电压

open front case with pressure relief,带泄压装置的前开式外壳

open front case without pressure relief,无泄压装置的前开式外壳

(open hole) caliper,井径仪

open-jet wind tunnel,开口式风洞

open loop,开环

open loop control,开环控制

open loop control system,开环控制系统

open loop electronic balance,开环式电子天平

open-loop frequency response,开环频率响应

open-loop gain,开环增益

open-loop gain characteristic,开环增益特性

open loop pole,开环极点

open loop process control,开环过程控制

open loop remote control system,开环遥测控制系统

open loop stabilization,开环稳定

open loop transfer function,开环传递函数

open loop voltage gain,开环电压增益

open loop zero,开环零点

open source,裸式离子源

open system,开放系统；开环系统

open system interconnection (OSI),开放系统互连

open tubular column,空心柱

opening valve time,开阀时间

operating conditions,工作条件

operating error,工作误差

operating infulence,工作条件影响

operating limits,极限工作条件

operating period,工作周期

operating pressure differential,工作压差

operating system (OS),操作系统

operating temperature range,工作温度范围

operating time,工作时间

operational amplifier,运算放大器

operational reliability,运行可靠性

operational research model,运筹学模型

operational unit,运算器

operations research,运筹学

operative limits,极限工作条件

operator,操作员

operator command,操作员命令

operator's console,操作员操纵台

operator's station,操作员站

optic fiber displacement meter,光纤式位移计

optic fiber position measuring instrument,光纤式位置测量仪

optic fiber pressure transducer,光纤压力传感器

optic fiber tachometer,光纤式转速表

optic fiber tachometric transducer,光纤式转速传感器

optical arm length,光臂长度

optical Doppler effect,光的多普勒效应

optical fiber,光导纤维

optical fiber chemical sensor,光纤化学传感器

optical fibre magnetometer,光纤磁强计

optical fiber sensor,光纤式传感器

optical(measurement)method,光测法

optical micrometer,光学测微器

optical plummet,垂准仪；光学对中器

optical pumping,magnetometer,光泵磁强计；光泵磁力仪

optical(quantity)transducer(sensor),光（学量）传感器

optical reading range,光学读数范围

optical spectrometer,光学光谱仪

optical system,光学系统

optical theodolite,光学经纬仪

optical vibrometer,光学测振仪

optical wedge micrometer,光楔测微器

optima estimation,最优估计

optimal control,最优控制

optimal control law,最优控制律

optimal control system,最优控制系统

optimal control theory,最优控制理论

optimal decision problem,最优决策问题

optimal solution,最优解

optimal strategy,最做出策略

optimality principle,最优性原理

optimization,（最）优化

optimization layer,优化层

optimization technique,最优化技术

optimum frequency,最佳频率

order,有序

order parameter,序参数

ordinary temperature thermistor,常温热敏电阻器

organic semiconductor gas transducer [sensor],有机半导体气体传感器

organic semiconductor humidity transduce [sensor],有机半导体湿度传感器

organic semiconductor thermistor,有机半导体热敏电阻器

orientation,定向

orientation control,定向控制

orifice,节流孔

orifice plate,孔板

orifice-and-plug flowmeter,锥塞式流量计

original system,原系统

originator,源发站

orthogonal distrortion,正交畸变

ortho-projector,正射投影仪

oscillating period,振荡周期

oscillator,振荡器

oscillograph,录（示）波器

oscillographic polarograph,示波极谱仪

oscilloscope,示波器

outboard rotor,外重心转子

outdoor location,户外场所

outer package,外包装

outlier,剔除值

output device,输出单元；输出设备

output equation,输出方程

output error,输出误差

output feedback,输出反馈

output fluctuation,输出波动

output force or torque stability,输出激振力或力矩的稳定性

output impedance,输出阻抗

output impedance of microphone,传声器输出阻抗

output information,输出信息

output matrix,输出矩阵

output noise,输出噪声

output prediction method,输出预估法

output shaft rotation clearance,输出轴间隙角

output shaft rotation range,输出轴转角范围

output shaft torque,输出轴转矩

output signal,输出信号

output signal "one" level,输出信号“1”电平

output signal "zero" level,输出信号“0”电平

output state,输出状态

output stem travel clearance,输出杆间隙位移

output system,输出系统

output unit,输出设备

output variable,输出变量

output vector,输出向量；输出矢量

oval gear flowmeter,椭圆齿轮流量计

oval wheel flowmeter,椭圆齿轮流量计

oven temperature,箱温

over-current protection,过电流保护

over-voltage protection,过电压保护

overall design,总体设计

overdampin,非周期阻尼；过阻尼

overflow,溢出

overflow indication,溢出指示

overlapping averages,滑动平均

overlapping event,交迭事件

overload,过载；超负荷

overload flow-rate,过载流量

over-load meter,过载仪

overpressure characteristic,超压特性

overpressure failure,超压破裂

overrange,过范围

overrange limit,过范围限

overshoot,过冲；超调量；过振比

overview panel,总貌画面

overvoltage protection varistor,过电压保护电压敏电阻器

oxide thermistor,氧化物热敏电阻器

oxygen bomb,氧弹

oxygen bomb calorimeter,氧弹式热量计

oxygen (pressure)gauge,氧压力表

oxygen regulator,氧气减压器

ozone analyzer,臭氧分析仪

ozone sonde,臭氧探空仪

ozone spectrophotometer,臭氧分光光度仪{{分页}}

P

P-net,P-net总线

P-scope,P型显示

P.T.C.thermistor,正温度系数热敏电阻器

p-type oxide gas sensor,P型氧化物气敏元件

P-V-T-t technique,压力-容积-温度-时间法

pack,包装件

package,包装；包装件

packaging,包装

packaging standard,包装标准

packed capillary column,真充毛细管柱

packed column,填充柱

packed-type solenoid valve,填料函型电磁阀

packet,包

packet mode,包方式

packet sequencing,包排序

packet switching,包交换

packing,包装

packing box assembly,填料函组件

packing machine (liquid chromatographic column),（液相色谱柱）装填机

packless solenoid valve,无填料函型电磁阀

page addressing,页面寻址

page printer,页式打印机

page-at-a-time printer,一次一页印刷机；页式印刷机

panel,盘；屏，画面

panel mounting (pressure) gauge,盘装压力表

panoramic exposure,周向照射；全景照射

pantograph,缩放仪

paper based strain gauge,纸基应变计

paper chromatography,纸色谱法

paper tape,纸带

paper tape punch,纸带空孔机

paper tape reader,纸带阅读机

paper tape unit,纸带单元

parachute drogue,漂流伞

parallax,视差

parallel computer,并行计算机

parallel crate controller,并行机箱控制器

parallel highway,并行信息公路

parallel operation,并行操作；并联工作

parallel output system,并行输出制

parallel plate micrometer,平板测微器

parallel processing,并行处理

parallel programming,并行程序设计

parallel transmission,并行传输

paramagnetic oxygen analyzer,顺磁式氧分析器

parameter,参数

parametric input,参量输入

parasitic echo,干扰反射波

parasitic voltage of voltage divider,分压箱寄生电压

parasol radiometer,伞式辐射计

parent-molecule ion,母分子离子

parity check,奇偶校验

partial failure,部分失效

partial immersion,thermometer,局浸温度计

partial pressure gauge (PPG)，分压强计

partial radiation thermometer,部分辐射温度计

partition chromatography,分配色谱法

partition coefficient,分配系数

partition isothem,分配等温线

part-turn electric actuator,角行程电动执行机构

Pascal,帕（斯卡）

pass-line deflection,跑偏

passing unregistered gas (PUG),漏记气体

passive remote sensing,被动遥感

passive transducer [sensor],无源传感器

path,通路

path frame,通路帧

path protocol,通路协议

path unit,通路单元

pattern,探伤图形

pattern coefficient,图型系数

pattern recognition,模式识别

peak,峰

peak area,峰面积

peak base,峰底

peak detector,峰值检波器

peak distortion,谱峰畸变

peak energy,峰能量

peak height,峰高

peak identification,谱峰鉴别

peak matching,峰匹配

peak of noise,噪声高度

peak overlap,谱峰重叠

peak point,峰顶（点）

peak separation,峰距

peak shape factor,峰形系数

peak sound pressure,峰值声压

peak stripping,谱峰剥离

peak temperature,峰温度

peak time,峰值时间

peak-to-peak value,峰峰值

peak-to-peak value of displacement,峰-峰值位移

peak (top) flatness,峰顶平直度

peak transmittance,峰值透过率

peak value,峰值

peak value of humidity,湿度峰值

peak value of temperature,温度峰值

peak voltmeter,峰值电压表

peak wavelength,峰值波长

peak width,峰宽

peak width at half height,半高峰宽

Peltier coefficient,珀尔帖系数

Peltier heat,珀尔帖热

pen,墨水笔

pen recorder,笔式记录仪

pen rising mechanism,抬笔机构

pendulum impact testing machine,摆锤式冲击试验机

pendulum meter,摆仪

pendulum striking edge,摆锤冲击刀刃

penetrameter,透度计；像质计

penetrant inspection unit,渗透液清洗剂

penetrant testing method,渗透探伤法

penetrants,渗透液

Penning gauge,冷阴极电离规；潘宁规

percentage of theoretical slope (PTS),百分理论斜率

performance,性能

performance characteristics,性能特性

performance evaluation,性能指标

periodic and random deviations(PARD),周期和随机偏差

periodic damping,周期阻尼；欠阻尼

periodic test,定期试验

periodic vibration,周期振动

periodic waves marker,周期波时标

peripheral control unit,外围设备控制器

peripheral equipment,外围设备

peripheral flow-rate,周缘流量

peripheral interface adapter(PIA),外围接口适配器

peripheral transfer,外围传送

peristaltic multi-channel pump,多通道蠕动泵

permanent flow-rate,常设流量

permanent-magnet-coil instrument,永磁动圈式[磁电系]仪表

permanent magnetic lens,永磁透镜

permanent-magnet movingcoil galvanometer,永磁动圈式[磁电系]检流计[振动子]

permeability,渗透率

permeability tube,渗透管

permeameter,磁导计

permissible cumulative discharge of standard cell,标准电池允许累计放电量

permissible discharge of standard cell,标准电池允许放电量

persistent wave NMR spectroscope,边疆波核磁共振波谱仪

personal error,人为误差

petroleum oil detection buoy system,石油探测浮标系统

pH electrode assembly,pH复合电极

pH meter,pH计

pH transducer [sensor],pH传感器

pH value,pH值

phase,相

phase analysis,相位分析

phase angle,相角

phase angle stabilization,相角稳定

phase contrast,位相衬度

phase controlled circuit breaker,断电相位控制器

phase datum mark,相位基准标记

phase detection,相位检测

phase detector,鉴相器

phase difference,相位差

phase difference torque transducer,相位差式转矩传感器

phase displacement,相位差；角误差

plase distance meter,相位式测距仪

phase indicator,相位指示器

phase lage,相位滞后

phase lead,相位超前

phase locus,相轨迹

phase margin,相位裕度

phase measurement,相位的测量

phase meter,相位表

phase modulation (PM),相位调制；调相

phase of unbalance,不平衡相位

phase plane,相平面

phase plane portrait,相平面图

phase ratio,相比率

phase reference generator,参考相位发生器

phase response,相位响应

phase sensitive detector,相敏检波器

phase sequence indicator,相序指示器

phase space,相空间

phase trajectory,相轨迹

phase transition,相变

phase variable,相变量

phase-continuous FSK,相位连续FSK

phase-crossover frequency,相位交越频率

phase-frequency characteristics,相频特性

phase-shift ultrasonic flowmeter,相移式超声流量计

phon,方（响度级的单位）

phosphorescence,磷光

photo conduction tube,光导管

photo electron spectroscopy (PES),光电子能谱法

photo-electrical coded compass,光电码罗盘

photo-electrostatic display recorder,感光静电显示记录仪

photo ionization,光电离

photo resistor,光敏电阻器

photo-sensitive recorder,感光显示记录仪

photo sensor,光敏元件

photo-theodoliti,摄影经纬仪

photoacoustic spectrometry,光声光谱法

photoconductive transducer [sensor],光导式传感器

photoelectric colorimeter,光电比色法

photoelectric comparator,光电比较仪

photoelectric effect,光电效应

photoelectric fluxmeter,光电磁通表

photoelectric length meter,光电式长度计

photoelectric position detector,光电式位置检测器

photoelectric roll gap measuring instrument,光电式辊缝测量仪

photoelectric tachometer,光电式转速表

photoelectric tachometric transducer,光电式转速传感器

photoelectric thermometer,光电温度计

photoelectric transmissometer,光电透射仪

photoelectric width meter [gauge],光电式宽度计

photoelectro magnetic element,光电磁敏元件

photoionization detector (PID),光离子化检测器

photometer,光度计

photometric linearity,光度测量线性

photomultiplier,光电倍增管

phototheodilite,摄影经纬仪；照相经纬仪

phototube,光电管

photovoltaic cell,光电池

photovoltaic transducer [sensor],光伏式传感器

physical layer (PL),物理层

physical model,物理模型

physical modeling,物理建模

physical property type transducer [sensor],物性型传感器

physical quantity transducer [sensor],物理量传感器

physical similarity,物理相似

physical simulation,物理仿真

physical symbol system,物理符号系统

physiological quantity transducer [sensor],生理量传感器

picture spectrograph,图象摄谱仪

piezoelectric acceleration transducer,压电式加速度传感器

piezoelectric effect,压电效应

piezoelectric force transducer,压电式力传感器

piezoelectric microphone,压电传声器

piezoelectric pressure transducer,压电式压力传感器

piezoelectric transducer [sensor],压电式传感器；压电换能器

piezoelectric vibrator,压电振动器

piezoelectric vibrometer,压电式振动计

piezometer ring,均压环

piezo-resistance effect,压阻效应

piezoresistive acceleration transducer,压阻式加速度传感器

piezoresistive accelerometer,压阻式加速度计

piezoresistive effect,压阻效应

piezoresistive pressure transducer,压阻式压力传感器

piezoresistive transducer [sensor],压阻式传感器

piezoresistive vibrometer,压阻式振动计

piggy-back microbiological sampler,复背式微生物采集器

pilot,先导阀

pilot valve,指挥器

pilot balloon theodolite,测风经纬仪

pilot-operated regulator,指挥器操作型自力式调节阀

pilot-operated solenoid valve,先导型电磁阀

pin-cushion distortion,枕形畸变；正畸变

pinger,水声信标

pinion,轴齿轮

pink noise,粉红噪声

pipe prover,标准体积管；管式校准器

pipe reducer,异径接管

Pirani gauge,电阻规；皮拉尼规

Pirani vacuum gauge,皮拉尼真空计

piston,活塞

piston actuator,活塞执行机构

piston-cylinder assembly,活塞部件

piston gauge,活塞式压力计

piston gauge with equilibrium liquid,带平衡液柱活塞式压力计

piston gauge with re-entrant cylinder column,反压活塞式压力计

piston prover,活塞校准器

piston rotation perdurability,活塞下降速度

piston with weight carrier,带有底盘装置的活塞

pistonphone,活塞发声器

Pitot static tub