不匀整的纸板;切线锯开
The deeply study of the arithmetic of drawing manifold tangent& tangential circle in YH-Wire-Cut programming system
YH自动编程系统多切圆线智能设计算法深入研究
I cut that number down to nine because the other three were tangential to the saga.
我把数字削减到九部,因为另三部与这个传奇的主线关系不大.
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