表面粗糙度测量
Surface roughness measurement
表面粗糙度测量计
surface roughness measuring gauge
表面粗糙度测量仪
surface roughness measuring instrument
surface finish measuring instrument
surface roughness tester
粗糙度测量仪器
contact stylus instrument for measurement surface
表面粗糙度自动测量分析仪
surface roughness automatic tester
当量粗糙度系数
equivalent roughness coefficient
绝对当量粗糙度
absolute equivalent roughness
温度粗糙度
thermodynamically roughness length