grounding lines的用法和樣例：
例句
- Grounding the machine is always necessary for the normal operation of the machine.
為了正常安全運轉，應安裝地線。 - This paper proposes the methods of design and imple-mentation of a type of multi-antennae WLAN based detecting sys-tem of transformer substation grounded line.
提出了一種基於多天線無線區域網的變電站地線監測系統的設計與實現方法。
