earth line的用法和樣例：
例句
- A terminal with its chassis connected to one side of a power line, allowing the chassis itself to provide the earth or ground.
底盤和電源線一端相連的終端，底盤本身充當地線或接地線。 - If the record player is equippped with an earth lead, connect it to the GND terminal of the unit.
該電唱機如備有接地線，則應將它與本機的接地端子連接起來。
