题目内容

岩层在外力作用下产生了机械破坏,丧失了连续性和完整性,但是岩层没有发生位移,这种情况不能称岩层产生了断裂。()

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Many proposals were raised by the delegates ,as we expected. _____________________________________________________________________________

掘进机刮板弯曲不得超过5mm。()

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A B C D
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Whether he likes the present or not is not clear to me. _____________________________________________________________________________

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