lateral concave-convex侧向凹凸
concave-convex len凸凹镜
concave-convex curve凸凹曲线
concave-convex feature凸凹性
concave-convex soil凹凸棒土
concave-convex system凹凸镜系统
concave-convex separation凹凸分离
concave-convex cavity凹凸腔
concave-convex mold凹凸模