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关注：1
2013-05-23 12:21
求翻译：然而，大采高综采面合理的区段煤柱留设尺寸是确保其安全、高效回采和最大限度回收煤炭的至关重要的问题。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
然而，大采高综采面合理的区段煤柱留设尺寸是确保其安全、高效回采和最大限度回收煤炭的至关重要的问题。
问题补充： |
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2013-05-23 12:21:38
正在翻译，请等待...
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2013-05-23 12:23:18
However, the highly-oriented comprehensive mining coal pillars of reasonable size is to ensure that their stay and set up safe, secure, efficient and maximize recycling coal of good vital issues.
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2013-05-23 12:24:58
However, picks Gao Zongcai the surface reasonable sector coal column to remain supposes the size is greatly guarantees its security, highly effective returns to picks with maximum limit recycles the coal the very important question.
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2013-05-23 12:26:38
However, reasonable in fully-mechanized mining face with large mining height coal pillar size is ensure their safe, efficient coal-mining and maximize recycling issues of critical importance.
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2013-05-23 12:28:18
正在翻译，请等待...
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