选择题：The operation of _______two alternators requires the voltages to be equal and also in phas

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题目内容：

The operation of _______two alternators requires the voltages to be equal and also in phase

A.paralleling

B.series-mounting

C.running

D.controlling

参考答案：

室分系统按照设计图纸进行抽查测试,测试的点位原则上不少于总点位的()

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By saying “Middle children are invisible” in paragraph 3, Lewis means that middle c

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The power factor of an AC generator operating singularly is determined by the_______ .A.co

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区域经理与业主签订场租合同或供电合同上传至合同系统,合同系统将合同信息自动推送至。()

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When you are making a high potential test on a piece of repaired electrical machinery, a r

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