精选优质文档-倾情为你奉上模具英语专业术语1、 图纸制图用术语英语基准: datum公差: tolerance尺寸:dimension圆角: fillet半径:radius曲线: curve公称直径:nominal diameter正方形:square直线度:straightness平面度:flatness圆度:roundness圆柱度:cylindricity线轮廓度:profile of line面轮廓度:profile of surface平行度:parallelism位置公差:position tolerance垂直度:perpendicularity周围标志:all around symbol倾斜度:angularity同轴度:coaxlality同心度:concentricity对称度: symmetry位置度:position圆跳动:run out全跳动: total run out最大材料状态:maximum material condition