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关注：1
2013-05-23 12:21
求翻译：5）洞身开挖（钻爆施工）是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
5）洞身开挖（钻爆施工）
问题补充： |
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2013-05-23 12:21:38
5) the body hole excavation (drill and blast construction)
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2013-05-23 12:23:18
5) digging a hole-drilling unexploded ordnance (Construction)
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2013-05-23 12:24:58
5) the hole body excavates (drills explodes construction)
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2013-05-23 12:26:38
5) tunnel excavation (drilling and blasting construction)
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2013-05-23 12:28:18
Under the construction plan for details sees about the initial period supports and protections in the anchor rod construction plan.
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