海词手机词典

Three acid dyes, two azo dyes and one anthraquinone dye, are synthesized, 2 -aminoterephthalic acid as a diazocomponent, and their dyeing properties are studied.

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