圆凸形线脚装饰；
1. 圆凸形线脚装饰：ovokeratin 卵角蛋白 | ovolo 圆凸形线脚装饰 | ovolysin 溶卵白素
noun
1. a convex molding having a cross section in the form of a quarter of a circle or of an ellipse
Synonym: thumbquarter round
