Specific Geometrical Conditions and Application on the Projected Circle of an Oblique Elliptic Intersection Line on a Surface of Body-tilted Cut是什么意思_Specific Geometrical Conditions and Application on the Projected Circle of an Oblique Elliptic Intersection Line on a Surface of Body-tilted Cut在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句