GB/T16482图5试具1号冲击钢球 500G 2024奥门中特钢49049

p1Src=//y3.yzimgs.com/uploads/312390/2019331-18317552.png?watermark/2/text/5rex5Zyz5biC5Yib6ZGr5Luq5Zmo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/Center&p2Src=//y1.yzimgs.com/uploads_old/312390/2011031713442282_old_1.jpg