当发生单相接地故障时,电流最大的一相一定是故障相。()
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The _______ work continued for more than a week but there was still no sign of the missing
A. research
B. rescue
C. vessel
D. vast
只要企业将应收账款收回或转移给第三方,就可以注销该项应收账款。()
测量保护交流回路对地绝缘电阻时,应使用1000V摇表,各回路对地及各回路相互间绝缘电阻阻值均应大于10MΩ。()