| 单词 | air door |
| 释义 | > as lemmasair door air door n. Mining a door in a mine, normally kept closed, which separates an intake airway from a return airway. ΚΠ 1846 Jrnl. Statist. Soc. 9 17 Child caught cold by attending an air-door. 1923 Times 8 Nov. 2/4 All the overmen were killed—one whilst proceeding to acquaint his superior of the state of the mine, and another whilst proceeding to an air-door to admit fresh air. 2007 Evening Post (Nottingham) (Nexis) 7 May 22 I eventually found Jimmy [sc. a pony] dead with a broken neck. He hit the brickwork supporting an air door. < as lemmas |
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