- 容許瓦斯氣量
- allowable: adj. 可容許的,可承認(rèn)的,不礙事的,正當(dāng)?shù)摹?Two ...
- firedamp: 甲烷; 坑氣; 礦井瓦斯; 沼氣
- allowable: adj. 可容許的,可承認(rèn)的,不礙事的,正當(dāng)?shù)摹?Two mistakes are allowable in this game. 這種游戲允許犯規(guī)兩次。 adv. -bly
- emission of firedamp: 沼氣泄出
- explosion of firedamp: 煤氣爆炸; 沼氣爆炸
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