concaver凹面体
concaveadj.凹的n.凹面;凹线;凹形
concave transition壁面凹过渡
concave programing凹形规划法
concave - convex凹凸
concave polyhedron凹多面体
concave arc length凹板弧长
concave green belt凹式绿地
concave line label[计] 凹线标号
concave feed plate凹板喂入板
Concave Work Blade凹弧形托板
concave convex game凹凸对策