钢球

• Specification for cast iron and carbon steel ball valves for general purposes
  通用铸铁和碳钢球阀规范
• Guide unit for press dies - cage
  冲模导向装置钢球保持圈
• Spheroidization evaluation standard of 12cr1mov steel used in power plant
  火电厂用12cr1mov钢球化评级标准
• Research about the backward slip of the steel - ball in longitudinal rolling process
  钢球纵轧成形后滑的研究
• Tissue paper and tissue products - determination of ball burst strength
  薄纸和薄纸制品.钢球式顶破强力的测定
• Non - linear elastic behavior of rubber layer bonded between two rigid spheres
  橡胶-钢球支座的非线性有限元分析。
• Steel balls for ball bearings
  滚珠轴承用钢球
• Gangqiu welding , ju peng , oil shed , shed c payments , the processing tank
  钢球焊接，车棚，油棚， c型钢棚，油罐加工。
• Rolling bearings - steel balls
  滚动轴承钢球
• Steel ball polishing machine
  钢球抛光机