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关注：1
2013-05-23 12:21
求翻译：提高井下天井贯通精度的实践测量方法是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
提高井下天井贯通精度的实践测量方法
问题补充： |
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2013-05-23 12:21:38
Underground through the courtyard to improve the accuracy of measurement practice
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2013-05-23 12:23:18
Increase downhole patio connects the practice precision measurement method
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2013-05-23 12:24:58
Increases the mine shaft courtyard penetration precision the practice measuring technique
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2013-05-23 12:26:38
Improve underground courtyard through the practice of precision measurement method
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2013-05-23 12:28:18
Improve underground courtyard through the practice of precision measurement method
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