Inner Round Corner是什么意思

用法例句

For making finished product cross section contain same inside circle radius, the free curve angle on the upper part shutting small side should be 4-8° more than the bottom.

为使成品断面有相同的内圆角半径,上部闭合小边自由弯曲的弯曲角应比底部弯曲角大4-8°。