Optimization model regarding raw materials mixing in foundry practice was built on the basis of minimal mixture cost.
以铸造配料成本最低为目标函数，建立了铸造优化配料数学模型。
Besides, it also can be used as the foundry sand in precision casting and the raw materials of ceramic and resin bonded abrasives as well as coated abrasives.
精密铸造用型砂；在磨具中经常用作陶瓷、树脂固结磨具和涂附磨具的原料。
Foundry is the most convenient that make raw materials into products.
铸造是把原材料加工成成品的最简便方法。
Foundry is the most convenience way which make raw materials into product.
铸造是把原材料加工成成品的最简便方法。
Foundry is the most convenience way which make raw materials into product.
铸造是把原材料加工成成品的最简便方法。
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