“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	Rhymes of Mongolian Characters rhymes with common features but under different headings rhyme tables rhyme with a labial ending rhyme with a nasal ending rhyme with an open ending rhyme with a stop ending rhyme with open ending or vowel ending rhyming dictionary rhyming system of the Qu poetry rhynchophylline Rhynchosporium leaf blotch of grass rhyniophytes rhyolite r hypergraphical design r-hypergraphical design rhysimeter rhythm rhythmic activity Rhythmical copy poem of Tang Dynasty rhythmical prose with paralleled four or six words rhythmic behavior of livestock rhythmic gymnastics rhythmic modes，modal rhythm rhythmic movement

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