So it is significant for improving casting quality and social productivity of labor to study fast testing system of green sand composition and performance parameter.
因此,研究湿型砂组分及性能参数快速测试系统对于提高铸件质量和劳动生产率具有非常重要的现实意义。
Spraying Mg spheroidization technology in the production of centrifugally nodular cast iron pipes has achieved good effect in improving casting quality, reducing production costs.
喷镁球化工艺在生产离心铸造球墨铸铁管中取得了良好效果,提高了铸管质量,降低了生产成本。
Downward core pulling has a significant effect in improving the quality of auto-piston casting and lowering the energy consumption.
铝活塞下抽芯铸造工艺,在提高铝活塞的铸造质量、节约降耗等方面作用突出。
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