And proposed a kind of accurate and feasible method of evaluate arc model under the condition of small unfold Angle.

并提出一种精确可行的在小展角条件下标定圆弧样板的方法。

youdao

And proposed a kind of accurate and feasible method of evaluate arc model under the condition of small unfold Angle.

并提出一种精确可行的在小展角条件下标定圆弧样板的方法。

youdao