标 准 编 号:DIN 4768-1990 简体中文标题:用电子触什式轮廓仪确定粗糙度测量值R_a、R_z、R_(max)—基本原理 繁体中文标题:用电子触什式轮廓仪确定粗糙度测量值R_a、R_z、R_(max)—基本原理 English Name:Determination of surface roughness values of the parameters Ra,Rz,Rmax by means of electrical contact(stylus) instruments;terminology measuring conditions