black yarn

基本解释

Since the fighting hundreds of spot color clothes, cut a piece of yarn pro-black hat.
斑衣自斗百家彩，乌帽亲裁一幅纱。
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Worsted weight yarn in lime green and white plus small amounts of red, orange, yellow black and burgundy.
绿色，白色中粗毛线，外加少量红色，桔色，黄色，黑色和暗红色毛线。
The chemical structure and production cost of vat black BBN and vat black DB are analyzed. The process conditions of yarn dyeing with these two dyes are introduced as well as the attentions in dyeing.
分析了还原黑BBN和还原黑DB的结构特点和生产成本，具体介绍了纱线染色的工艺条件，以及染色过程中需注意的事项。