GB 50057-2010 第6.2.2条
| | All metal pipelines entering the building within the hotel (such as metal cable sheaths, water pipes, gas pipes, etc.) shall be equipotentially bonded at the entry point, and the bonding resistance shall not exceed 0.2Ω. |
| | All metal pipelines entering the building within the hotel (such as metal cable sheaths, water pipes, gas pipes, etc.) shall be equipotentially bonded at the entry point, and the bonding resistance shall not exceed 0.2Ω. |
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