The engine hydraulic stepless speed regulation cooling fan changed the traditional drive type of the engine cooling fan.
发动机液压无级调速冷却风扇，改变了发动机冷却风扇的传统驱动方式。
Host drive system of machine tool is composed of stepless shift components, gearbox of worm wheel, saw frame, worktable, fastening piece, feeding and hydraulic equipments.
加工机床主传动系统由无级变速机构、蜗轮减速箱、锯架、工作台及紧固件、送料装置和液压机构等组成。
Hydronshanical drive is a kind of ideal stepless speed-Changillg drive system.
液压机械传动是一种较理想的无级变速传动。
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