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填空题
电缆试验结束,应对被试电缆进行( )放电,并在被试电缆上加装临时( )线,待电缆尾线接通后,方可拆除。
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选择题
The man didn't admit ________ anything at the store when he was questioned by the police.
A. to steal
B. having stolen
C. to have stolen
D. having been stealing
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问答题
完整的物流概念包含哪些要点
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