防火防潮;沼气,甲烷
Damp down the fire before you go to bed.
你睡觉前要把火封起来.
We may damp down the fire furnace for the night.
我们可以把火炉子封上过夜。
We collected sticks to boil our kettle, but they were damp and would not catch fire.
我们拾柴烧水, 但是柴太湿了,烧不起来.
You'd better damp ( down ) the fire before leaving.
你最好在离开以前用灰把火封上.
Analysis and Administration of Fire-damp Gush into Small Coal Column Combined Mining Top Blasting Face
小煤柱综采放顶煤工作面瓦期涌出分析及治理
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