bottom running

• 1. 底注法: bottom pouring | bottomrunning

• 1.通过实际生产从工艺角度分析了底注法生产窄结晶温度范围高强度黄铜时夹杂、 缩孔缺陷的产生机理。
  The mechanism of the inclusion and shrinkage cavity in high-strength brasses produced by bottom running method was analyzed from the point of view of production technology.
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