京工科业-JGYQ-CCD便携式粗糙度仪 参数：Ra、Rz、Ry、Rq、Rt、Rp、Rv、Rmax、R3z、RSk、RS、RSm、Rmr 测量范围：Ra:0.025-12.5 μm 显示范围：Ra、Rq：0.005-16 μm；Rz、Ry、Rt、Rp、Rv、Rmax、R3z：0.02-160