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来源：雅诚德英语网
The power incoming line into control cabinet will be directly connected to the input terminals of the parallel breakers which are located in upside of the control cabinet by users.
十万火急翻译一句话，电气图纸上的，急！ 说明：控制柜电源进线由用户直接接至控制柜上部双电源断路器进线端。