常见例句This paper, on the basis of expounding this construction, sums up and presents the graphical conditions, the basic graphics in various cases as well as the auxil... 在闸明这一画法的基础上,本文归纳和提出了画面平行面取代灭点的作图条件,各种情况下的基本作图,以及轴助作图。 返回 auxil