ball retainer
常见例句
- Ball lock retainers are completely processed by CNC machining.
我们的球锁固定板完全采用数控机床加工。 - Porous polyimide materials used for ball-bearing retainers have been recieved a great attention in aviation industry.
微孔聚酰亚胺材料用作球轴承保持器已在航空工业界引起重视。 返回 ball retainer