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,于经济和环保方面有意义。
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,于经济和环保方面有意义。
声明:以上例、词分类均由互联网资源自动生,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。