“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	Thelytoky thelytoky The Lyttleton Constitution of 1954 Them The Macau Yongle Grand Theater the machine for archives mounting The Magazine of Art The Magazine of Taibai The Magic Braid The Magic Brush The Magic Gourd The Magician of Lublin The Magistrate's Assistant The Magistrate Tried a Titled Lady the magnetic carrier archives the magnetic-carries-archives protection method the magnetism of rock the magnetoelastic effect of rock The Magnolia Award The Magnolia Awards The Maid Silja The Maid’s Tragedy the Maillard reaction scenting The Main-Branch Library System in the United Library of Chancheng District of Foshan City the main diurnal tide in the lunar system

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