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	query-by-pictorial-example query by pitch dynamics query-by-semantic-example query by template query by visual example query data base query database query data network address query data source query decomposition query-dependent banding query deserves diversity query deserves freshness query detection query direct number query directory number query directory search file query directory service query driven simulation query drivers history query engine/chassis number query error query evaluation and search technique query exchange language query execution language

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