加工型材 meaning in English

fabricated shapes

Abstract : hydrogen and oxygen solubility in molten copper , condition of gas - absorption during smelting of pure coper , mechanism of gas hole formation , gas hole appearance on worked material and measure to gas absorption prevention have been briefly described
文摘:论述了氢和氧在铜液中的溶解能力、熔铸紫铜时的吸气条件、气孔形成的机理、气孔在加工型材上的表现、防止吸气的措施等。