wool paper 含羊毛纸
mineral wool paper asphalt felt 矿棉纸油毡
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In this paper, wool type of bamboo pulp fiber and ramie long bast fiber were blended by combed wool spinning system.
文章研究了毛型竹浆纤维和苎麻长麻纤维在精梳毛纺系统下的混纺实践。
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