... earthing contact || 接地触点 earthing device || 接地器，接地装置 earthing inductor || 接地电感器 ...
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protective earthing device 保护接地装置
shafting earthing device 轴系接地装置
Cardew earthing device 卡窦接地器 ; 过电压电路接地器
Carddew earthing device 过电压电路接地器
multipoint earthing device 多点接地器
mesh-from earthing device 网形接地器
mesh-form earthing device 网形接地器
earthing device for portable instrument [仪] 活动仪器的接地装置
An earthing device of overtension protection will be introduced.
并详细介绍了作者设计的一种过电压保护接地装置。
The earthing switch in high-voltage switchgear is a kind of mechanical earthing device used at the time of maintenance and repair to insure the safety of personnel.
高压开关柜中的接地开关是作为检修时，保证人身安全，用于接地的一种机械接地装置。
So the loop network-earthing device must be designed in combination with building characters and the earthing resistance can be estimated with a simplified formula.
其环网接地装置必须结合建筑物特点进行设计，接地电阻可用简化公式估算。
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