抽油机曲柄铸铁件浇注系统当冒口的工艺设计

抽油机曲柄铸铁件浇注系统当冒口的工艺设计的英文翻译

基本释义

• Technological Design of Gating System as Riser For the As-cast Iron Crank Casting of Oil Extracting Pump