amplify on短语¹⁴⁴⁹⁷²⁺² 基本例句 引伸 The basic structure design of the left and right step face milling cutter with carbide circular inserts is briefly introduced, amplify on the cutter parameter of geometry and structure. 介绍了装有硬质合金圆刀片的左右阶梯端铣刀的基本结构，对其几何参数和结构参数作了进一步分析。 chemyq