英语词汇“self-acting door”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

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.
随便看	ploddingness plodding on plodding through plodge plodia interpunctella granulosis virus plod on plods plods along plods away plods away at plods on plods through plod through plod through (something) ploe ploesti plof plog plogi plogojowitz, peter -ploid ploid ploidies ploidity -ploidy

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