coarse tow短亚麻纤维coarseadj.粗糙的；粗俗的；非精制的coarse-pitch thread粗螺纹coarse-broken grain粗轧碎的谷粒coarse-crush machine粗碎机coarse stable material粗粒稳定材料coarse disperse system粗分散系统coarse grain annealing粗颗粒退火coarseness of grouping分组的粗略性coarse half round file粗半圆锉coarse adjustment knob载物台粗调螺旋coarse grain materials粗晶材料