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N a water-soluble substance found in the fleece of sheep, consisting of peptides, organic acids, metal ions, and inorganic cations and formed from dried perspiration 羊毛粗脂
wool grease
Scouring is essential, for it removes the natural grease in the fiber, the suint, dirt and dust.
洗涤工序是十分必要的，因为此工序可以除去纤维上的天然油脂、脂汗和尘土。
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