coarse tow短亚麻纤维coarseadj.粗糙的；粗俗的；非精制的coarse-grained content粗粒含量coarse-grade parameter粗级配参数coarse plain emery wheel粗砂轮coarse-bubble diffuser大气泡扩散器coarsenization technique精造化技术coarse-scale modulator粗刻度调制器coarse rice and clothing粝饭粗服coarse grained austenite粗晶奥氏体coarse linearity control直线性粗调coarse asphaltic concrete粗骨料沥青混凝土