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词汇
the working seam
释义
the working seam
基本
例句
本煤层
At the same time, methane effusing from the coal seam being worked increases, and the emphases of methane control could be put on the methane effusing from coal seam being worked.
而大采长综放工作面本煤层瓦斯涌出量增大，则需要增加通风量或者采用新的通风方式。
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更新时间：2025/11/9 1:42:03