It was shown that the curing process of resoles, at first, proceeded by condensation reaction of methylol groups, and the formation of dimethylene ether linkage was predominant.
明热固性酚醛树脂的固化过程,首先是羟甲基发生缩合反
,缩合反形
醚键是主要的。
It was shown that the curing process of resoles, at first, proceeded by condensation reaction of methylol groups, and the formation of dimethylene ether linkage was predominant.
明热固性酚醛树脂的固化过程,首先是羟甲基发生缩合反,缩合反形醚键是主要的。
声明：以上例句、词性
类均由互联网资源自动生
，
未经过人工审核，其
达内容亦不代本软件的观点；若发现问题，欢迎向我们指正。
