rough finish短语¹⁴⁴⁹⁷²⁺² 基本例句 口部粗糙 The conception that the form- milling cutter can only be used to rough finish the workpiece should be changed. This kind of form- milling cutter can also be used to finishing-machine workpiece. 改变正前角成形铣刀只能用作粗加工的观念，可将正前角成形铣刀用于成形面的精加工。 chemyq