needle bearing
柯林斯詞典
1. N an antifriction roller bearing in which long rollers of very small diameter fill the race without a cage to provide spacers between them 滾針軸承[engineering]
返回 needle bearing
1. N an antifriction roller bearing in which long rollers of very small diameter fill the race without a cage to provide spacers between them 滾針軸承[engineering]