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.
结果表明热
性酚醛树脂的
程,首先是羟甲基发生缩合反应,缩合反应形
醚键是主要的。
} ether bondIt 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.
结果表明热性酚醛树脂的程,首先是羟甲基发生缩合反应,缩合反应形醚键是主要的。
声明：以上例句、词性分类均由
资源自动生
，部分未经
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。
