车方机床用曲率半径很大的椭圆短半轴曲线代替直线切削方形工件。

It illustrates a ellipse's short semi-axial curved line with great cured radius, that can replace the straight line for cutting square work-pieces on the machine tool.

youdao

车方机床用曲率半径很大的椭圆短半轴曲线代替直线切削方形工件。

It illustrates a ellipse's short semi-axial curved line with great cured radius, that can replace the straight line for cutting square work-pieces on the machine tool.

youdao