black- dyeing

常见例句

The gallic acid hair dye is used for black-dyeing of human hair.
该没食子酸染发剂用于人发的染黑。
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The dyeing characteristics of Leather Black LR-V are studied and the penetration property of different dyestuffs are investigated by leather chromatoplate.
研究了被认为是无致癌性无禁用偶氮染料皮革黑LR V的染色性能，用皮革色谱板对比研究了染料的渗透性。
Leather special black LR-N is a noncancerogenic dyestuff instead of benzidine dyes. The dyeing properties were studied by compared experiments. And the most suitable dyeing route was settled.
皮革黑LR- N是无致癌毒性的联苯胺的代用染料，通过对比试验，研究了其染色性能，并找出了用该染料染山羊皮服装革的最佳工艺。