ground-casting ball 地掷球运动
Chromium Alloy Casting Ball 铬合金铸球
Four open casting ball valve 四开式铸造球阀
CASTING STEEL BALL VALVES 铸钢球阀
Casting Grinding Steel Ball 铸造耐磨钢球
铬合金铸球！
The technology of grinding ball by centrifugal casting, the rotational speed, the method for calculation of ingate area and factors influencing technological process were introduced.
介绍了离心铸造磨球的工艺，以及转速、内浇口断面积计算方法和影响工艺过程的因素。
The modern advanced metallurgy casting, management and information are important content of modern scale production of high chrome white cast iron grinding ball.
现代先进的冶金铸造技术、现代管理和信息技术是更好地实现高铬白口铸铁磨球的现代规模化生产的重要内容。
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