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wool quality numbers
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wool quality numbers
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wool quality numbers
羊毛品质支数
品质支数是羊毛产业中长期沿用下来的表示羊毛细度的一个指标,目前羊毛交易市场、毛纺工业分级及羊毛生产工艺的制订等都以品质支数作为重要依据。
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