sphered 考试频率
六级
考频:近五年出现4次
n. 范围; 社会阶层
v/n. (形成)球体
sphered 双语例句
全部
1·Radial spherical plain bearings have an inner ring with a sphered convex outside diameter and an outer ring with a correspondingly sphered but concave inside surface.
径向球面滑动轴承由一个具有凸球形外表面的内圈和一个具有相应凹球形内表面的外圈组成。