“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	Basel School of Design Basel Ⅰ base manifold basement basement membrane basement membrane zone basement rock buried-hill reservoir base metal conductor pastes base mismatch BASE model base money base mud for testing base-neutralizing capacity base noun phrase base noun phrase, base NP base NP base number base of a cone base of a cylinder base of a deformation base of a filter base of a logarithm base of a matroid base of a neighborhood system base of a number system

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