当量粗糙度系数
equivalent roughness coefficient
绝对当量粗糙度
absolute equivalent roughness
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
表面粗糙度自动测量分析仪
surface roughness automatic tester
粗糙度测量仪器
contact stylus instrument for measurement surface
当量绝对粗糙度
equivalent absolute roughness
温度粗糙度
thermodynamically roughness length
背景粗糙度
Roughness of the back ground