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【多选题】
适合设置零序电流保护的10kV系统的中性点对地的运行方式是中性点经 [填空(1)] 接地方式。A.
小电阻
B.
中性点不接地电网发生单相接地短路时，故障线路保护安装处通过的零序电流为该电网所有[填空(1)] 的零序电容电流之和。
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举一反三
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Look out
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Look over
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Look aside
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【单选题】It’s impolite to _________ the disabled people.
A.
look in
B.
look up
C.
look down
D.
look down on
【单选题】听力原文：M: Suppose I forgot either the title or the author but simply want to look at some books on suspension bridges? What shall I do? W: In this case you can look under 'bridge'. The information on th...
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Under a suspension bridge.
B.
In a supermarket.
C.
In a school library.
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Look Out
B.
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C.
Eyes in the Night
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A.
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