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【单选题】
在长线台座上铺设预应力钢丝,可把两根钢丝互相搭接,对于冷拔低碳钢丝,其搭接和缠扎长度不得小于( )倍钢丝直径。A.
10
B.
20
C.
30
D.
40
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【简答题】阅读理解。 There is more and more worry about the growing threat of globalization, which is accompanied by those warnings that the rich pattern of local life is being undermined(破坏), and many dialects and ...
【简答题】阅读理解 There is more and more worry about the growing threat of globalization, which is accompanied by those warnings that the rich pattern of local life is being undermined(破坏), and many dialects and t...
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