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【单选题】
在三相四线供电线路中,零线截面应不小于相线截面的( )。A.
1倍
B.
3-1/2倍
C.
1/3倍
D.
1/2倍
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反馈参考答案：
举一反三
【简答题】随机存储器的英文缩写是
【简答题】什么是合同担保?合同有哪几种担保方式?
【单选题】---- The new shop across the road has taken away most of my . ----We must sell something cheaper.
A.
things
B.
business
C.
customers
D.
lists
【单选题】There is something we need to________before the meeting begins. [ ]
A.
clear up
B.
clear away
C.
clean up
D.
clean out
【简答题】合同担保方式有哪几种?
【简答题】(We were finally able to clear the high mountains) by throwing away a large pack of food.
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