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单词
self-acting door
释义
self-acting door
self-acting door
[
′self ¦ak·tiŋ ′dȯr
]
(mining engineering)
A ventilation door that is constructed of two halves which move on small pulleys and which are forced apart centrally as the trams come in contact with the converging beams that operate the door.
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英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/10/24 21:20:00