... earth wire 接地线 earthed metal 接地金属件 earthed point 接地点 ...
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earthed metal of alarm output 金属性接地报警输出
earthed with metal band [电] 金属夹箍接地
The test probe is also applied through openings in earthed metal enclosures having a nonconductive coating such as enamel or lacquer.
试验探棒还需穿过在表面覆盖一层非导电涂层如瓷釉或清漆的接地金属外壳的开口。
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Light fittings with metal parts should always be earthed.
有金属部件的照明装置都应该走地线。
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