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。
Spraying Mg spheroidization technology in the production of centrifugally nodular cast iron pipes has achieved good effect in improving casting quality, reducing production costs.
应用离心铸造工艺生产球墨铸铁管，连续快速提供化学成分和温度均合格的优质铁液是生产的关键环节之一。
One of keys of production of centrifugal casting pipe of s. g. iron is continuous and fast delivery of qualified base iron with proper chemical composition and temperature.
应用离心铸造工艺生产球墨铸铁管，连续快速提供化学成分和温度均合格的优质铁液是生产的关键环节之一。
One of keys of production of centrifugal casting pipe of s. g. iron is continuous and fast delivery of qualified base iron with proper chemical composition and temperature.
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