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单词 marsh gas
释义 marsh gas
Light carburetted hydrogen, CH4, found in coal-mines and about stagnant pools. (Cf. fire-damp.)
1848Fownes Elem. Chem. 189 Marsh-gas.188119th Cent. No. 48. 245 Light carburetted hydrogen, or marsh gas,..is the cause of explosions in collieries.
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