... 弱电流亮电流 light current 弱电流开关 weak current switch 弱电流电缆 weak-current cable ...
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weak-current switch 弱电流开关
The periphery output control system is composed of analog peripheral device such as LED, relay, digital switch etc, to control the other weak-current devices and general heavy-current devices.
外围输出控制系统由发光二极管、继电器、数字开关等模拟外围设备，控制其它的弱电设备和一般的强电设备。
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