The pilot production of steel castings by using the water-soluble core proves that the mixture is suitable for making those cores of complicated shapes which are strongly heated by liquid steel during pouring.
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释义
用本文研制的水溶性型芯进行的试生产实验表明:该混合料适用于制造形状复杂,受钢液热作用强烈的型芯。
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