在粘土砂湿型铸造中，型砂质量和性能对铸件质量、废品率有明显的影响。
Casting quality and rejection rate are remarkably affected by the quality and property of molding sand, in the process of clay sand green mold casting.
析了离心铸造黄铜缺陷的产生原因，采取了预防措施，使废品率大大降低。
The cause of defects for brass cage procssed with centrifugal casting was analyzed, the preventive measures were also taken, so that the reject rate was decreased considerably.
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