“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	film radiography non-destructive testing film rating system film realism Film Recollections film record film remake film restoration film rights film runaway production films film scanner film scene Film Science Draft Film Screenplay Style Film Script (Outline) Filing, Film Management Regulations Film Script Planning Center film select scenery film shift film sociology films of Shanghai in Isolated Island period Film Sound Art Working Committee of China Film Association film specials music films screening schedule Film Star Film Steering Committee

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