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。
2
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。
3
Hydronshanical drive is a kind of ideal stepless speed-Changillg drive system.