名词
中文翻译：Unknown
同义词：
['dyeing material', 'dyeing agent', 'dyeing substance']
例句：
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1. The factory produces a variety of vat dyestuffs for the textile industry.
该工厂为纺织行业生产各种染料。
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2. The vat dyestuffs are used to color fabrics before they are washed.
这些染料用于在洗涤前给织物上色。
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3. The vat dyestuffs are produced from natural materials and have no harmful chemicals.
这些染料是从天然材料制成的，不含有害化学物质。