日本山本科学硬度基准块HV600 HV-600 图片

p1Src=//y2.yzimgs.com/uploads/383607/20241030-19153051.jpg?watermark/2/text/5rex5Zyz5biC5Lqs6YO9546J5bSO55S15a2Q5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"

aa