“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	cross-phase modulation cross-platform reading technology cross point cross polarization cross-polarization cross pollination cross-pollination cross polytope cross-post cross-power spectrum cross presentation cross prism cross prisms cross product cross-profile cross projection cross projection plane cross propagation Cross ProtectionCross Protection cross quadrilateral cross-question the ballad cross radiative calibration cross ratio cross ratio; harmonic ratio cross reaction

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