methane discharge的用法和樣例：
例句
- The feature of methane emission can be found by analysing methane headstream.
通過(guò)分析綜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.
而大采長(cháng)綜放工作面本煤層瓦斯涌出量增大，則需要增加通風(fēng)量或者采用新的通風(fēng)方式。
