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.
煤層瓦斯賦存狀態是研究礦井瓦斯湧出規律和瓦斯災害防治的技術基礎。 - 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，該技術用于堅硬低透氣煤層，提高礦井瓦斯抽放率是可行的。
