ISO8503-1 表面粗糙度比较样块
深圳市君达时代仪器有限公司
p1Src=//y1.yzimgs.com/uploads/927/201866-91854516.png&p2Src=//y1.yzimgs.com/uploads/927/201866-9196318.png&p3Src=//y1.yzimgs.com/uploads/927/201866-91920438.jpg