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,先基发生缩合反应,缩合反应形成醚键主要的。
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You noticed, of course, that his boots had been resoled.
你肯定注靴子换鞋底。
When I was three, I could resole a shoe.
我三岁那会 我都能换鞋底。
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划词翻译
详细解释
性酚醛树脂的
程,
先
基发生缩合反应,缩合反应形成醚键
靴子
瑟尔夫人第一季
