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關注：1
2013-05-23 12:21
求翻譯：當達到85m左右為壓實穩定區，采空區孔隙率幾乎為零。是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
當達到85m左右為壓實穩定區，采空區孔隙率幾乎為零。
問題補充： |
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2013-05-23 12:21:38
When you reach about 85m compacted stable region, the the goaf porosity almost zero.
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2013-05-23 12:23:18
When you reach about 85 M for real-time pressure zone of stability, the empty porosity zone is almost zero.
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2013-05-23 12:24:58
When achieved about 85m is the compaction stability region, picks the depletion region factor of porosity is nearly the zero.
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2013-05-23 12:26:38
When you reach about 85m for compact stable areas, mined almost zero porosity.
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2013-05-23 12:28:18
正在翻譯，請等待...
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