本发明用废机油、废柴油和废油漆制成溃散剂，解决了铸件生产污染环境问题。
The invention employs waste machine oil, waste diesel and waste paint to produce collapsibility agent, which solves environmental pollution in cast production.
本发明用废机油、废柴油和废油漆制成溃散剂，解决了铸件生产污染环境问题。
The invention employs waste machine oil, waste diesel and waste paint to produce collapsibility agent, which solves environmental pollution in cast production.
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