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	sunk cost sunk costs sunk down sunk draft sunken sunken arch sunken boat sunken boats sunken-eyed sunken-eyedly sunken fence sunken garden sunken joint sunken pit sunken-relief sunken rock sunken ship sunket sunk face sunk fence sunk fences sunkfield sunk fillet sunk fillet molding sunk gutter

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。