海词手机词典

The prepn. of dimethyldiallylammonium chloride monomer and the related polymers was summarized, and the use of the derivatives in text, dyeing and printing as antistatic, color fixing and flocculating agents were presented.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌