concavo-convex

常見(jiàn)例句

Push the handle gently until the concavo convex parts of both clutches occlude automatically.
用手輕推手柄待兩個(gè)離合體的凸凹處重合后便會(huì)自行咬合.
5.Push the handle gently until the concavo convex parts of both clutches occlude automatically.
用手輕推手柄待兩個(gè)離合體的凸凹處重合后便會(huì)自行咬合.
concavo convex
n. 凹凸
concavo convex lens
凹凸透鏡
A convex surface, body, part, or line.
凸面、凸面體、凸面部分或凸線
Just as a double convex lens enlarges, so a double concave lens reduces.
正象雙凸透鏡可以放大那樣，雙凹透鏡也可以縮小。