| 单词 | firedamp |
| 释义 | firedamp [`fīr´damp] MINING ENGINEERING 1. A gas formed in mines by decomposition of coal or other carbonaceous matter; consists chiefly of methane and is combustible. 2. An airtight stopping to isolate an underground fire and to prevent the inflow of fresh air and the outflow of foul air. Also known as fire wall. |
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