优选地，阳离子染料选自偶氮染料、偶氮甲碱染料、次甲基染料和？吨染料。

The cationic dye may be chosen from azo dyes, azomethine dyes, methine dyes and xanthene dyes.

youdao

优选地，阳离子染料选自偶氮染料、偶氮甲碱染料、次甲基染料和？吨染料。

The cationic dye may be chosen from azo dyes, azomethine dyes, methine dyes and xanthene dyes.

youdao