coarse tow短亚麻纤维coarseadj.粗糙的；粗俗的；非精制的coarse particle flotation粗粒浮选coarse-grained graphite粗颗粒石墨coarse fibrillatory waves粗的颤动波coarse sand source region粗泥沙集中来源区coarse copper consumption粗铜能耗coarse granular materials粗粒料coarse aggregate concrete粗骨料混凝土coarse aggregate skeleton粗集料骨架coarse-graded aggregate粗粒级的集料coarse meshtype character像素式字符