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2785| 5
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[原料/纤维/纱线] D旦(尼尔)指的是纤维还是纱线的单位?或者指纤维或纱线的单位? |
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Archiver|手机版|小黑屋|中国纺织服装检测论坛 ( 苏ICP备17035522号-2 )
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