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【单选题】
高压共箱母线和低压封闭式插接母线槽均按制造厂供应的成品考虑。定额只包含现场安装,不分水平、垂直安装,不得换算。封闭式插接母线槽在竖井内安装时,人工和机械乘以系数 ( )。
A.
1.5
B.
1.8
C.
2.0
D.
2.5
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【单选题】I would like to join the school volunteer project, and I often imagine _______.
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查看完整题目与答案
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查看完整题目与答案
【单选题】I should very much like to have gone to that party of theirs, but ______.
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