laser signal device [通信] 激光信号装置
audible signal device 音响信号装置
acoustic signal device 音响信号装置
LSD Laser Signal Device 激光信号装置
safety signal device 安全信号装置
time signal device 报时装置
Pressure signal device 压力讯号器
bimetallic signal device 双金属讯号装置
Cab signal device 车上信号设备
You can make a signal device if you have something with shiny surface.
如果你有表面发光的物体,就可以做一个信号装置。
Can also be used to external lighting and signal device and vehicle lamps shell protection.
也可用于外部照明和信号装置及汽车灯具外壳防护。
Use speed signal generator of PZX-1, you can test every movement of switches of speed signal device.
利用PZ X - 1内置的转速信号发生器,可以试验转速信号装置的各个转速开关量动作状况。
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