常見例句雙語例句Ball lock retainers are completely processed by CNC machining.我們的球鎖固定板完全采用數(shù)控機(jī)床加工。Porous polyimide materials used for ball-bearing retainers have been recieved a great attention in aviation industry.微孔聚酰亞胺材料用作球軸承保持器已在航空工業(yè)界引起重視。 返回 ball retainer