It is also the parent substance of a large class of dyes and pigments.
它也是大量染料和色素的原始材料。
With advantage painting project limited company take with advantage group as technical parent substance.
和利涂装工程有限公司以和利集团为技术母体。
With advantage painting project limited company take with advantage group as technical parent substance.
和利涂装工程有限公司以和利集团为技术母体。
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