“positive drive lift”的概念、定义、翻译、参考文献-科学参考

单词	positive drive lift
释义	positive drive lift Encyclopedia 工学电梯释 positive drive lift强制驱动电梯用链或钢丝绳悬吊的非摩擦方式驱动的电梯。这类电梯属于早期的电梯类型，已很少应用，仅在杂物电梯等中使用。不能使用对重，可使用平衡重。
随便看	differential gene determination differential gene expression differential-geometric differential-geometric invariant differential-geometric method differential-geometric structure differential geometry differential geometry in the large differential geometry of curves differential geometry of manifolds differential geometry of surfaces differential GPS landing system differential GPS technology differential graded algebra differential graded algebra; DG algebra differential graded group differential group differential group delay differential heat conduction equation differential heat of adsorption differential Hebb learning differential ideal differential image motion monitor differential immersion differential inclusion

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