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	his nearest and dearest his neck of the woods his nerves are shot his nerves were shot his next door neighbor his next-door neighbor his next door neighbors his next-door neighbors his next door neighbour his next-door neighbour his next door neighbours his next-door neighbours his next of kin his nibs his nose is always in the air his nose is in the air his nose was always in the air his nose was in the air his nuggets his number came up his number comes up his number's up his nuts his nz his-nz

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