“double swing door”的概念、定义、翻译、参考文献-科学参考

单词	double swing door
释义	double swing door Encyclopedia 工学门释 double swing door弹簧门一种水平开启的门，与普通平开门一样其转动轴位于门侧边，所不同的是弹簧门采用了弹簧铰链（合页）或门顶弹簧、地弹簧代替普通铰链，使得门扇可顺时针和逆时针双向旋转开启，且能自动关闭。
随便看	Bureau of Personnel Evaluation Bureau of Soil and Water Conservation of Yellow River Conservancy Commission of the Ministry of Water Resources Bureau of Veterinary Medicine, the Ministry of Agriculture of the People’s Republic of China Bureaus for Communications bureaus of urban official buildings and shops buret burette burflower-tree Burgas Burgen Beaver Reserve burgeoning art school Burger equation Burgers Burgers circuit Burgers equation Burgers vector Burgers' vector Burgers方程 Burgess Shale Biota Burgess’s prediction study on success or failure for parole burgher society Burgi burglar alarm control panel burglary-resistant electronic lock burglary resistant mechanical locks

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