bus section ; busbar section
有载分段母线 on-load switchable busbar
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当有两台以上电动给水泵时，给水泵的电源应从厂用电系统不同的母线段取得。
When there are more than two electric water pumps, their power supply should use electricity from different mother line of the power system.
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模块上移
模块下移
不移动