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

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	ornl ornl-cf ornlfcu ornl-pca or no or notes ornrl orns ornstein, leo ornstein-uhlenbeck ornstein-uhlenbeck models for comparative hypotheses ornstein uhlenbeck process ornstein-uhlenbeck process ornt ornz look down on something look down on them look down on us look down on you look down our noses at look down/shoot down look-down, shoot-down lookdown shoot-down look down their noses at look down upon

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