Loose hole plating chromic layer by weight used in the sliding friction parts and heat resistance, corrosion, wear parts, such as internal combustion engine cylinder lumen, piston rings.
松孔镀铬层应用于受重压的滑动摩擦件及耐热、抗蚀、耐磨零件，如内燃机汽缸内腔、活塞环等。
The great number of moving parts, the sliding friction, the reversal of direction at rapid intervals, and the mechanical shock involved all contribute to severe wear.
大量运动部件、滑动摩擦、极短时间内运动方向的变化以及机械冲击等都使摩损加剧。
Test show that wear loss of developed friction disk is less, anti - abrasion properties and employment lifespan is superior to that of asbestos friction disk either in normal or sliding case.
装机试验表明，所研制摩擦片磨损总量最小，耐磨性能和使用寿命在正常使用或离合器打滑情况下优于石棉摩擦片。
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