protective grounding的意思|示意

The reasons and importance of setting underground protective grounding net to coal mine are introduced.

介绍了煤矿井下设置保护接地网的原因及重要性.

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Use for mechanical connection of different bus duct, dust - proof , splash - proof and continuity of protective grounding.

用于母线槽之间的机械连接 、 防尘 、 防溅水及接地保护的连续性,连接片内衬密封阻燃胶条.

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