N silica-based sand mixed with clay, oil, etc, to improve its cohesive strength, used in moulding 铸造用砂
For foundry sand from a famous domestic area, the curve of thermal expansivity with the temperature was described.
本文最后给出了利用本装置测得的国内某著名铸造用原砂的热膨胀-温度曲线。
The interface of the composites made of waste foundry sand as fillers and waste mulching films as matrix was studied.
研究了以铸造废砂为填料、废旧地膜为基体，制备复合材料的界面问题。
Swinging mixer is a new type foundry sand mixing equipment invented by the author, which had got the patent of China.
摆盘式混砂机是作者发明的一种铸造用新型混砂设备，具有中国专利。
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