methane discharge
英
美
- 瓦斯涌出
双语例句
- The feature of methane emission can be found by analysing methane headstream.
通过分析综放工作面瓦斯涌出源，可以了解其瓦斯涌出特征。 - 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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