Because of their ability to reduce frictionandwear, they are usually used as the material for making the worm wheel in a worm gear set.
由于具备减摩性和耐磨性的性能，它们通常用来制作涡轮减速器中的涡轮。
2
The effects of counterface and its topography, temperature, PV value, and environment on the frictionandwear properties of composites are also discussed.
讨论了偶件及表面形貌、温度、pv值和环境因素对其摩擦学性能的影响；
3
The test results indicate that the C/C brake disks have satisfactory properties in terms of frictionandwear, density, thermal and mechanical properties etc.