1.
Pulley bearings are frictionless.
滑轮轴承是无摩擦的。
2.
It is right proceedings that rub to charge when comb rub hair, car run on road or shoes move on carpet.
梳子摩擦头发，汽车摩擦道路或鞋摩擦地毯，就是摩擦起电的过程。
3.
Producing sparks by friction.
摩擦起火的通过摩擦产生火花的
4.
To rub with a tool that serves especially to smooth or polish.
磨光用专用于摩擦或抛光的工具摩擦
5.
The forces due to friction are called frictional forces.
由于摩擦而产生的力称之为摩擦力。
6.
An electrical charge produced by friction between two objects.
摩擦电由两个物体摩擦产生的电荷
7.
a friction clutch in which the frictional surfaces are disks.
摩擦表面是圆盘状的摩擦离合器。
8.
Study on Friction, Wear and Lubrication of the Mated Couple of HIP-Si_3N_4/GCr15;
HIP-Si_3N_4/GCr15摩擦副摩擦、磨损及润滑的研究
9.
The Friction and Wear characteristics Research of Ceramics Friction Pair;
陶瓷材料摩擦副的摩擦磨损特性研究
10.
Research on Braking Friction Characteristics and Chatter of Railway Vehicles;
车辆制动摩擦特性及摩擦颤振的研究
11.
The Study and Manufacture of Reciprocating Tribometer & Friction Test;
往复式摩擦试验机的研制及摩擦试验
12.
Effects of Abrasives on Friction Performance of Ceramic Friction Materials;
磨料对陶瓷摩擦材料摩擦性能的影响
13.
Recent Research of the Tribo-electrifiction Mechanism between the Friction Surfaces;
摩擦副表面摩擦带电机制的研究进展
14.
Tribological Properties of Ti_3SiC_2 with MoS_2 on Different Conditions
不同摩擦条件下MoS_2-Ti_3SiC_2的摩擦学性能
15.
Warmth, wear, or soreness produced by friction.
摩擦所产生的热、擦损或擦痛
16.
Research on Influence of Friction Surface Temperature on the Friction Coefficient of Micro-car Clutch Friction Material
摩擦面温度对微车离合器摩擦材料摩擦因数影响的研究
17.
worn clutch facing
磨损的离合器摩擦片
18.
friction of metal working
塑性加工过程的摩擦