crowned roller
常见例句
- By improving steel material quality, adopting plastic cage, improving rib structure and using crowned rollers, the life and performance of cylindrical roller bearing can be largely increased.
经改善钢材质量、采用塑料保持架、改进挡边结构及凸度滚子的应用，可使圆柱滚子轴承的寿命和性能大幅度提高。 返回 crowned roller