jewel bearing
常见例句
- To research the tribological properties of pivot jewel bearing, a kind of high-speed friction and wear testing machine was developed.
为研究枢轴宝石轴承的摩擦磨损特性，设计并研制了一种高速摩擦磨损试验机。 - The main products include jewel bearing, shock-absorber, mini-bearing of wrist watch, jewel bearing of instrument, jewel orifice and all sorts of industry jewel.
公司主要生产：手表宝石轴承、防震器、微型轴、仪表宝石轴承、宝石喷嘴及各类工业宝石等。 返回 jewel bearing