苯酚、二甲苯缩甲醛树脂及硼酸反应生成缩醛树脂。

The reaction of phenol, xylene—formaldehyde resin with boric acid gets an acetal resin.

youdao

苯酚、二甲苯缩甲醛树脂及硼酸反应生成缩醛树脂。

The reaction of phenol, xylene—formaldehyde resin with boric acid gets an acetal resin.

youdao