1. A dark green synthetic dyestuff, C20H19N3HCl, used to make a purple-red dye employed in coloring textiles and leather and as a bacterial stain. 
   品红一种深绿色合成染料，c20h19n3hcl，用作丝织物、皮革和细菌染色的紫红染料
2. A reddish-orange dyestuff prepared from the dried and ground leaves of this plant, used as a cosmetic dye and for coloring leather and fabrics. 
   指甲花染料从该种植物的干的碎叶片中提炼出的一种棕红色染料，用于化妆或为皮革和纤维染色
3. history of dyestuff industry 
   染料工业发展史
4. A wood used as a dyestuff. 
   染料木能被用来提取染料的树木
5. treatment of wastewater from dyestuff industry 
   染料生产废水处理

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  皮革染料 leather dyes...皮革染料 leather dyestuff...匹格列酮 pioglitazone
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