“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	centerless grinding centerless quadric curve centerless quadric surface center-limb variation center line center-line center line survey center manifold center manifold theorem center mass system center method center of a ball center of a circle center of a conic center of activity center of a dynamical system center of affinity center of a graph center of a group center of a group algebra center of a lattice center of a Lie algebra center of an algebra center of a neighborhood center of an ellipse

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。