• The additive of correcting metal penetration for green sand mold casting, made from the waste of oil further fabricated——namely DK material, is researched in this paper.

    研制了利用植物油深加工后废料———DK材料作为铸造湿型砂防粘砂添加剂

    youdao

  • The additive of correcting metal penetration for green sand mold casting, made from the waste of oil further fabricated——namely DK material, is researched in this paper.

    研制了利用植物油深加工后废料———DK材料作为铸造湿型砂防粘砂添加剂

    youdao

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