单词	凸缘轮
释义	同凸缘轮--凸缘车轮
随便看	principal dimensions principal direction principal direction of curvature principal director of the banqueting house principal disease principal display panel principal distance principal distance error principal-distance error principal distance of camera principal distance of photo principal distance of projector principal divisor principale principal earthquake principale {it.} principal element principal epipolar line principal epipolar plane principal e plane principales principales--palmales principales;palmales principal etched principal etched zone