research on adhesion and frictional characteristic between rail and electrical locomotive's wheels 电机车轮轨黏着摩擦特性研究
testing study on frictional characteristic of large-scale and high-speed landslide during sliding 大型高速滑坡滑动过程中摩擦特性的试验研究
bench test method for frictional characteristics of sintered metal friction materials run in lubricants 湿式烧结金属磨擦材料磨擦性能试验台试验方法
experimental study of the enhanced convection heat transfer and frictional characteristics of non-phase-transition fluid in inner chute-spirally corrugated tube 无相变流体在内斜齿螺旋槽管内强化对流换热与阻力特性的实验研究
high quality oils of good oxidation stability incorporating oiliness, antiwear & tackiness additives which impart the frictional characteristics necessary to prevent'stick-slip'in the operations of tableways & slideways of machine tools 高品质具良好氧化稳定性润滑油,含油腻性,抗磨损及黏附性添加剂,因此能防止工具机械导轨及滑面在操作时胶著-滑动]之不良现象