滚动摩擦传动
roll friction transmission
差动式无级变速减速
Differential type stepless variable moderator
金属带复合无级传动
Composite continuously variable transmission system
composite stepless transmission of metal belt
脉动式无级变速器
impulse variable speed device
无级传动
Continuously variable transmission
Stepless transmission
variable transmission
液压机械无级传动
Hydro-mechanical transmission
钢带摩擦传动
Frictional steel belt transmission
滚动轴承式行星摩擦传动
planetary friction transmission
滚筒摩擦传动
cylinder frictional drive
摩擦传动方程
equation for frictional driving