“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	urban spatial gravity model urban spatial segregation urban spatial structure urban spatial structure in China urban structure urban style Urban Sub-center Planning（Tongzhou） urban subterranean space engineering urban suburb in China urban succession theory urban surface urban surface energy balance urban surface water balance urban survey urban survey unit urban sustainability urban sustainable development urban system urban system function structure in the administration area of city urban system planning urban system planning in the administration area of city Urban System Planning of the Zhujiang River Delta urban system scale structure in the administration area of city urban systems engineering urban system spatial pattern in the administration area of city

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