Based on other's former tests,to conducte overall tests on the factors which may affect performances of dry reclaimed sand,and to present the methods of how to improve the performances of the sand.
在总结前人试验的基础上，对影响干法再生砂性能的各种因素进行了全面试验，就提高酯硬化水玻璃干法再生砂性能的措施进行了试验研究。
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