cdzsmz5288
正方形 square 圆形 rotundity; roundness长方形 orthogon;rectangle三角形 triangle; triangular form; trigon;wedge shape;triangle;delta
november1985
1.平行四边形=parralelogram2.六边形=hexagon3.梯形=trapezium4.五边形=pentagon5.等腰三角形=isoceles triangle6.直角三角形=right triangle 7.椭圆形=oval8.正方形=square
Dianayaoyao
fillets: 倒圆角,内圆填角。部件设计里用于内部棱角的凹面缓解(降低应力集中用)。外部棱角的圆形加工称作"round"R0.5: 半径为0.5(图纸上的标题栏里应该有注明单位); R指半径 (radius)