“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	continuous monitoring of environmental quality continuous monitoring of flue gas emissions continuous motion rig continuous motor skill continuous norm continuous nucleation continuous numbering continuous on one side continuous on the left continuous on the right continuous opacity continuous operation continuous operator continuous operator function continuous optimization continuous order phase transition continuous parameter continuous part continuous Petri net continuous phase continuous phase modulation and demodulation continuous phase transition continuous plankton recorder continuous plasma filtration adsorption，CPFA continuous polymerization

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