The ability of coal to release a combustible gas has long been known.
煤能够释放易燃气体这一点早已为人所知。
The suppressive effect of multi-layer wire mesh structure on the combustible gas explosion is studied.
研究了多层丝网结构对可燃气体燃烧抑制作用。
Even if the gas is almost non-combustible, it is still compressed.
即使气体几乎不可燃的，但它仍然是压缩。
Even if the gas is almost non-combustible, it is still compressed.
即使气体几乎不可燃的，但它仍然是压缩。
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