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to phrases
fire damp
gen.
煤矿内的
危险气体
;
碳化氢
agric.
甲烷
(CH₄)
ecol.
甲烷
;
生物气
expl.
瓦斯
井下煤层释放的沼气〈甲烷,CH₄〉和一定量空气混合之后,具有一定的爆炸性。这种混合气体叫做瓦斯或井下爆炸气体,参见 gas
;
矿井瓦斯
met.
沼气
;
甲烷
(CH
4
)
tech.
爆炸性沼气
甲烷气
fire-damp
refrig.
沼气
;
甲烷
fire -damp
:
4 phrases
in 3 subjects
Ecology
1
Electric machinery
2
Technology
1
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