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关注:1
2013-05-23 12:21
求翻译:the harder the rock,so much the more difficult is the work of drilling,though few types are sufficient hard to be allowed to remain after blast without a lining of masonry or concrete是什么意思? 待解决
悬赏分:1
- 离问题结束还有
the harder the rock,so much the more difficult is the work of drilling,though few types are sufficient hard to be allowed to remain after blast without a lining of masonry or concrete
问题补充: |
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2013-05-23 12:21:38
较硬的岩石更加困难的,与其说是钻探工作,但少数种类足够很难被爆炸后仍然没有砖石或混凝土衬砌
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2013-05-23 12:23:18
越是岩石,如此多的工作的更困难的是钻井,虽然少数几类是足够硬,可获准继续爆炸后未经衬层的石或混凝土
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2013-05-23 12:24:58
越坚硬岩石,非常越困难的是钻井工作,虽然少量类型艰苦是充足允许在疾风以后保持没有石工或混凝土衬里
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2013-05-23 12:26:38
越硬的岩石,这么多更难是工作的钻探,虽然几种类型是足够硬要获准留后无衬砌石或混凝土爆破
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2013-05-23 12:28:18
较硬的岩石更加困难的,与其说是钻探工作,但少数种类足够很难被爆炸后仍然没有砖石或混凝土衬砌
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