中23

B型地铁列车空压机电机的三相电源取自空压机变频启动设备输出的三相交流380V.（）

发布于 2023-03-18 18:36:13

【单选题】
A 对
B 错

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qingyun 2023-03-18

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这家伙很懒，什么也没写！

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