[" pérdida电流启动阀门门启动离心泵主要是为了减小电机启动电流对电网的冲击。（x
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4] 正确答案：×√
关闭出口阀门门启动离心泵的目的是为了减小电机启动电流对电网的冲击。（x)
×，离心泵启动时关闭出口阀主要是为了降低电机的启动电流
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