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词汇
protective earth
释义
protective earth
短语⁹⁶⁶⁷⁷⁺
⁶
基本
例句
保护用地线,保安接地
The low voltage circuit even with low voltage on it shall also be connected with protective earth, thus the dangerous voltage can be detected.
低电压电路即使它们是低电压必须和保护地连接，这样危险电压才能被检测出来。
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更新时间：2026/9/20 14:36:10