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设备、装置和元器件种类 |
举 例 |
基本文字符号 |
IEC |
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中文名称 |
英文名称 |
单字母 |
双字母 |
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组 件
部 件 |
分离元件放大器 |
Amplifier using discrete |
A |
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= |
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Components |
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激光器 |
Laser |
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调节器 |
Regulator |
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本表其他地方未提及的组件、部件 |
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电桥 |
Bridge |
AB |
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晶体管放大器 |
Transistor amplifier |
AD |
= |
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集成电路放大器 |
Integrated circuit amplifier |
AJ |
= |
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磁放大器 |
Magnetic amplifier |
AM |
= |
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电子管放大器 |
Valve amplifier |
AV |
= |
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印制电路板 |
Printed circuit board |
AP |
= |
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抽屉柜 |
Drawer |
AT |
= |
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支架盘 |
Rack |
AR |
= |
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非电量到
电量变换
器或电量
到非电量
变换器 |
热电传感器 |
Ther moelectric sensor |
B |
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= |
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热电池 |
Thermo--cell |
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光电池 |
Photoelectric cell |
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测功计 |
Dynamometer |
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晶体换能器 |
Crystal transducer |
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送话器 |
Microphone |
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拾音器 |
Pick up |
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扬声器 |
Louds peaker |
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耳机 |
Earphone |
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自整角机 |
Synchro |
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旋转变压器 |
Resolver |
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模拟和多级数字
变换器或传感器
（用作指示和测量） |
Analogue and multiple-step digital
Transducers or sensors
(as used indicating measuring purposes) |
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压力变换器 |
Pressure transducer |
BP |
= |
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位置变换器 |
Position transducer |
BQ |
= |
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旋转变换器
（测速发电机） |
Rotation transducer(tacho generator) |
BR |
= |
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温度变换器 |
Temperature transducer |
BT |
= |
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速度变换器 |
Velocity transducer |
BV |
= |
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电容器 |
电容器 |
Capacitor |
C |
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= |
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二进指元件延迟
器件存储器件 |
数字集成电路和器件: |
Digital integrated circuits and devices: |
D |
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= |
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延迟线 |
Delay line |
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双稳态元件 |
Bistable element |
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单稳态元件 |
Monostable element |
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磁芯存储器 |
Core storage |
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寄存器 |
Register |
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磁带记录机 |
Magnetic tape recorder |
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盘式记录机 |
Disk recorder |
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其他元气件 |
本表其他地方未规定的器件 |
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E |
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= |
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发热器件 |
Heating device |
EH |
= |
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照明灯 |
Lamp for lighting |
EL |
= |
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空气调节器 |
Ventilator |
EV |
= |
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保护器件 |
过电压放电器件避雷器 |
Over voltage discharge device Arrester |
F |
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= |
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具有瞬时动作的限流保护器件 |
Current threshold protective device with
Instantaneous action |
FA |
= |
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具有延时动作的限流保护器件 |
Current threshold protective device with
Time-lag action |
FR |
= |
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具有延时和瞬时动作的限流
保护器件 |
Current threshold protective device with
Instantaneous and time-lag action |
FS |
=
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熔断器 |
Fuse |
FU |
= |
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限压保护器件 |
Voltage threshold protective device |
FV |
= |
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发生器发电机电源 |
旋转发电机
振荡器 |
Rotating generator
Oscillator |
G |
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= |
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发生器 |
Generator |
GS |
= |
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同步发电机 |
Synchronous generator |
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异步发电机 |
Asynchronous generator |
GA |
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发生器发 |
蓄电池 |
Battery |
GB |
= |
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电机电源 |
旋转式或固定式变频机 |
Rotating or static frequency converter |
GF |
= |
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信号器件 |
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H |
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= |
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声响指示器 |
Acoustical indicator |
HA |
= |
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光指示器 |
Optical indicator |
HL |
= |
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指示灯 |
Indicator lamp |
HL |
= |
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继电器
接触器 |
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K |
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= |
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瞬时接触继电器 |
Instantaneous contactor relay |
KA |
= |
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瞬 时
有或无继电器 |
Instantaneous all or nothing
Rellay |
KA |
= |
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交流继电器 |
Alternating realy |
KA |
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闭锁接触继电器（机械闭锁或永磁铁式有或无继电器) |
Latching contactor realy
(all-or-nothing relay with me chanical
latch or permanent magnet) |
KL |
= |
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双稳态继电器 |
Bistable relay |
KL |
= |
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接触器 |
Contactor |
KM |
= |
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极化继电器 |
Polarized relay |
KP |
= |
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簧片继电器 |
Reed relay |
KR |
= |
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延 时
有或无继电器 |
Time-delay all-or-nothing
relay |
KT |
= |
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逆流继电器 |
Reverse current relay |
KR |
= |
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电感器
电抗器 |
感应线圈
线路陷波器
电抗器（并联和串联） |
Induction coil
Line trap
Reactors(shunt and series) |
L |
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= |
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电动机 |
电动机 |
Motor |
M |
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= |
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同步电动机 |
Synchronous motor |
MS |
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可做发电机或电动机的电机 |
Machine capable of use as a generator or motor |
MG |
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力矩电动机 |
Torque motor |
MT |
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模拟元件 |
运算放大器 |
Operational amplifier |
N |
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= |
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混合模拟/数字器件 |
Hybrid analogue/digital device |
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测量设备
实验设备 |
指示器件 |
Indicating devices |
P |
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= |
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记录器件 |
Recording devices |
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积算测量器件 |
Integrating measuring devices |
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信号发生器 |
Singnal generator |
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电流表 |
Ammeter |
PA |
= |
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（脉冲）计数器 |
(Pulse) Counter |
PC |
= |
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电度表 |
Watt hour meter |
PJ |
= |
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记录仪表 |
Recording instrument |
PS |
= |
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时钟、操作时间表 |
Clock,Operating time meter |
PT |
= |
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电压表 |
Voltmeter |
PV |
= |
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电力电路
的开关器件 |
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Q |
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= |
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断路器 |
Circuit-breaker |
QF |
= |
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电动机保护开关 |
Motor protection switch |
QM |
= |
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隔离开关 |
Disconnector (isolator) |
QS |
= |
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电阻器 |
电阻器 |
Resistor |
R |
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= |
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变阻器 |
Rheostat |
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电位器 |
Potentiometer |
RP |
= |
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测量分路表 |
Measuring shunt |
RS |
= |
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热敏电阻器 |
Resistor with inherent variability
dependent on the temperature |
RT |
= |
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压敏电阻器 |
Resistor with inherent variability
dependent on the voltage |
RV |
= |
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控制、记忆、
信号电路的
开关器件选择 |
拨号接触器
连接级 |
Dial contact
Connecting stage |
S |
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= |
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控制开关 |
Control switch |
SA |
= |
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选择开关 |
Selector switch |
SA |
= |
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按纽开关 |
Push-button |
SB |
= |
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机电式有或无传感器
（单级数字传感器） |
All-or-nothing sensors of mechanical
and electronic nature
(one-step digital sensors) |
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液体标高传感器 |
Liquid level sensor |
SL |
= |
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压力传感器 |
Pressure sensor |
SP |
= |
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位置传感器（包括接近传感器） |
Position sensor (including proximity-sensor) |
SQ |
= |
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转数传感器 |
Rotation sensor |
SR |
= |
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温度传感器 |
Temperature sensor |
ST |
= |
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变压器 |
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T |
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= |
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电流互感器 |
Current transformer |
TA |
= |
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控制电路电源用变压器 |
Transformer for control circuit supply |
TC |
= |
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电力变压器 |
Power transformer |
TM |
= |
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磁稳压器 |
Magmetic stabilizer |
TS |
= |
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电压互感器 |
Voltage transformer |
TV |
= |
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调制器
变换器 |
鉴频器 |
Disoriminator |
U |
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= |
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解调器 |
Demodulator |
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变频器 |
Frequency changer |
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编码器 |
Coder |
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变流器 |
Converter |
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调制器
变换器 |
逆变器 |
Inverter |
U |
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= |
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整流器 |
Rectifier |
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点板译码器 |
Telegraph translator |
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电子管
晶体管 |
气体放电管
二极管
晶体管
晶闸管 |
Gas-discharge tube
Diode
Transistor
Thyristor |
V |
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= |
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电子管 |
Electronic tube |
VE |
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控制电路用电源的整流器 |
Rectifier for control circuit supply |
VC |
= |
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传输通道
波 导
天 线 |
导 线
电 缆
母 线
波 导 |
Conductor
Cable
Busbar
Waveguide |
W |
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= |
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波导定向耦合器
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Waveguide directional
Couper |
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偶极天线
抛物天线 |
Dipole
Parbolic aerial |
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端 子
插 头
插 座 |
连接插头和插座
接线柱
电缆封端和接头
焊接端子板 |
Connecting plug and socked
Clip
Cable sealing edn and joint
Soldering terminal strip |
X |
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= |
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连接片 |
Link |
XB |
= |
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测试插孔 |
Test jack |
XJ |
= |
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插头 |
Plug |
XP |
= |
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插座 |
Socket |
XS |
= |
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端子板 |
Terminal board |
XT |
= |
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电气操作的
机械器件 |
气阀 |
Pneumatic valve |
Y |
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= |
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电磁铁 |
Electromagnet |
YA |
= |
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电磁制动器 |
Electromagnetically operated brake |
YB |
= |
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电磁离合器 |
Electromagnetically operated clutch |
YC |
= |
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电磁吸盘 |
Magnetic chuck |
YH |
= |
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气动阀 |
Motor operated valve |
YM |
= |
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电磁阀 |
Electromagnetically operated valve |
YV |
= |
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终端设备 |
电缆平衡网络 |
Cable balancing network |
Z |
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= |
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混合变压器 |
压缩扩展器 |
Compandor |
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滤波器 |
晶体滤波器 |
Crystal filter |
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均衡器 |
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限幅器 |
网络 |
Network |
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（转载）
