The synthesis principle and advantages of alkaline phenolic resin for foundry were introduced.
介绍了铸造用碱性酚醛树脂的合成原理及优点。
Resol phenolic resin is one of important resin adhesives in foundry industry.
热固性酚醛树脂是树脂砂铸造生产中重要的树脂粘结剂之一。
Resol phenolic resin is one of important resin adhesives in foundry industry.
热固性酚醛树脂是树脂砂铸造生产中重要的树脂粘结剂之一。
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