广凸convexridgingbody: 长凸面起垄犁体convexoconvex lens: 双凸透镜convexsided indentation: 凸边压痕convexoconvex: 对凸的，双凸的; 双凸的convexslope: 凸坡; 凸形斜坡下载手机词典可随时随地查词查翻译
