Dimensioning of basic body,cutting and interpenetration bodies 常见基本体、截切体及相贯体的尺寸注法 4.Dimensioning of supporting board elements常见平板的尺寸注法 All center-to-center spacing of holes,screw threads and grooves on the board should be dimensioned.Since the basic shape of the board and the distribution of holes and grooves are different,the formats of location dimensions for dimensioning center-to-center spacing are also different. 在板上用作穿螺钉的乳、槽等的中心距趣宫注出而具申于返的基本 形状和孔、槽的分 布形式不同，其中心距定拉尺时的标注形式也不样。 φ46 中32 击鼠标 R10 中46 b46 20 2×中10 3×φ6 Φ20 35 46 左键显示后面内 容8