有一台Y/Y-12接线的变压器,当低压侧BC相短路时,判断下列()正确。
A.IB=IC,IA=0
B.IA=IB=IC
C.IA=IB,IC=0
参考答案:A
This dictionary has been ____ to us.
A.of great help
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Ann likes to look at the books in the _____. [ ]
A. furniture
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