Sudan blue CN

例句：

1. 1. The dyeing process is crucial forproducing high-quality fabrics.
   染色过程对于生产高质量面料至关重要。
2. 2. Thedyeing process involves mixingthe fabric with a solution ofdye and heat.
   染色过程涉及将织物与染料溶液混合并加热。
3. 3. Thedyeing process has become more environmentallyfriendly in recent years.
   近年来，染色工艺变得更加环保。