两级减速后轴 Double reduction rear axle
两级减速装置 double reduction gearbox ; two-stage reduction gearing
两级减速齿轮 double reduction gearing
两级减速驱动 dual reduction drive
两级减速电动机 double reduction motor ; reduction motor
两级减速齿轮起货机 compound geared winch
两级减速器 double reduction gearbox
两级行星减速器 compound epicyclic reduction gear ; two stage epicyclic reduction gear
两级周转减速齿轮 double epicyclic reduction gear
该减速箱采用两级行星齿轮传动，具有结构紧凑、体积小、重量轻、传递扭矩大等特点。
This reduction gearbox is driven with the two-stage planet gears, and features compact structure, small volume, low weight and great transmission torque etc.
测试结果表明：该两级同轴式双环减速机传动效率达到96%振动方面也有所改善。
The test result indicated that the two-stage coaxial double-ring reducer reached an efficiency of 96% and is improved on the vibration.
介绍了两级直齿圆锥—斜齿圆柱齿轮减速器等强度优化设计的数学模型及优化方法的选取。
In this paper, a mathematical model and the selection of optimization method for equal strength optimized design of two-stage straight bevel gear-helical cylindrical gear reducer are introduced.
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