colliery gas的用法和樣例：
例句
- The gas occurrence rule is the techno-basement of the study on the gas emission rule and gas harm harness.
煤層瓦斯賦存狀態(tài)是研究礦井瓦斯涌出規律和瓦斯災害防治的技術(shù)基礎。 - Research result shows that controlling blasting technique is feasible to improve gas drainage under suction in hardness and low dialyzing coal bed.
研究表明，該技術(shù)用于堅硬低透氣煤層，提高礦井瓦斯抽放率是可行的。
