co er bearing steel co er containing steel copper bearing steel copper containing steel copper steel copper-bearing steel copper-containing steel
Example Sentences:
1.
Rolling stock . recommended steels for rolling stock construction . iii : structural steels with improved atmospheric corrosion resistance . copper steels 铁路车辆.铁路车辆制造推荐用钢. .提高耐气候腐蚀的结构钢.含铜钢