“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	large scale velocity field large scale wind power base large seal scripts large section mill large semigroup algebra large set largeset large set of disjoint Kirkman triple system large set of disjoint Kirkman triple system (LKTS) large set of disjoint Steiner triple system largeset of disjoint Steiner triple system large-sheet memorial submitted to a superior large sieve large sieve inequality large sieve method Large Sky Area Multi-Object Fiber Spectroscopic Telescope large song large space hot air heating method large-span bridge design largespike lawngrass largest-coefficient rule largest covering manifold largest divisor largest element largest envelope

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