It is reseached that the process of catalytic cross-bridging in synthetic ketonic residuum resin and obtained that the utility resin.
酮渣油是化工生产中的工业废料,经催化交联制成树脂,于经济和环保方面都有意
。
词It is reseached that the process of catalytic cross-bridging in synthetic ketonic residuum resin and obtained that the utility resin.
酮渣油是化工生产中的工业废料,经催化交联制成树脂,于经济和环保方面都有意。
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