1)convexo-concave,凸凹形2)bumpy road,凸凹3)punch and matrix insert block,凸、凹镶块4)punch and matrix,凸、凹模5)conves and concave curve,凸凹弧段6)convex-concave structure,凸凹结构
用法例句
Analysis of elderly people s discrimination capability on bumpy roads;
老年人路况凸凹识别能力的检测与分析
The settings of the basic parameters including the slope angle, the pre_slope angle and the threading hole position in wire cutting for simultaneously manufacturing the punch and matrix were introduced.