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关注:1
2013-05-23 12:21
求翻译:请从硐室取料的充填采矿法是什么意思? 待解决
悬赏分:1
- 离问题结束还有
请从硐室取料的充填采矿法
问题补充: |
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2013-05-23 12:21:38
Material taken from the chamber filling mining method
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2013-05-23 12:23:18
information requested from the show room filling mining law
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2013-05-23 12:24:58
Please take the material from mountain cave the room the backfill mining method
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2013-05-23 12:26:38
Please take material from Chamber filling mining method
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2013-05-23 12:28:18
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