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.
經改善鋼材質量、採用塑料保持架、改進擋邊結搆及凸度滾子的應用，可使圓柱滾子軸承的壽命和性能大幅度提高。 返回 crowned roller