coarsening长大,粗化coarseadj.粗糙的；粗俗的；非精制的coarse grit scythe粗硬大镰刀coarse pitch screw大螺距螺钉coarse positioning粗调定位coarse crystallineadj.粗晶的coarse-pitch gear粗径节齿轮,大径节齿轮coarse registration粗匹配coarseness-fibreda.coarse diamond knur粗菱形滚花, 菱形粗滚花Coarseness assembly粗糙集coarse grained soil粗粒质土壤