signal power source造句

• Be used for connecting the branch and terminal of various electrical equipments in the circuit of 380 / 220v or below , it also can be acted as the wiring for outo - controlled or communicated signal power source
  可用于380 220v及以下电路中作为连接各种电气设备的分线、接线用，也可作为自控或通讯的信号电源的连线。