The article introduces the factors the medullated and dead wool and the effects for dyeing gets.文章介绍了粗腔毛、死毛的成因及影响其染色性能的机理....

adj.有髓的...

medullated的音标：medullated的英式发音音标为：['medəleɪtɪd]medullated的美式发音音标为：['medlˌeɪtɪd]...