Dimensioning of basic body,cutting and interpenetration bodies 常见基本体、截勿体及相贯体的尺寸注法 1.Dimensioning the basic part基本体的尺寸注法 One usually needs to mark all dimensions of length,width and height. For body of revolution,it only needs to mark its radial dimension (the diameter symbol is added before the dimension figure)and axial dimension. 标注基本体的尺寸，一般要注出长、宽、高三个方向的尺寸。对于回转 体，通常只要注出径向尺时（直径尺寸数字前加符号“”）和轴向尺寸。 17 Φ22 中20 S30 22 4 分 24 中30 请点击鼠标左键显示后面内容 5