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.
爲研究樞軸寶石軸承的摩擦磨損特性，設計竝研制了一種高速摩擦磨損試騐機。 - 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.
公司主要生産：手表寶石軸承、防震器、微型軸、儀表寶石軸承、寶石噴嘴及各類工業寶石等。 返回 jewel bearing