“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	quasi-superharmonic function quasi-symmetric quasisymmetric quasi-symmetric domain quasi-symmetric function quasisymmetric function quasi-symmetry quasisymmetry quasi-symplectic quasi-symplectic space quasi-symplectic transformation quasitensor quasi-tensorial geometric object quasi-thermal flare quasi-thermal light quasi-thermal source quasithin group quasithin theorem quasi-topological group quasi-topos quasitorus quasi-translation quasi-transverse oscillation quasi-transverse propagation quasitriangular

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