[化] 接地导线

earth lead的用法和样例：

例句

If the record player is equippped with an earth lead, connect it to the GND terminal of the unit.该电唱机如备有接地线，则应将它与本机的接地端子连接起来。
A terminal with its chassis connected to one side of a power line, allowing the chassis itself to provide the earth or ground.底盘和电源线一端相连的终端，底盘本身充当地线或接地线。

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