12.5mm带50N推力试验球图片

p1Src=//y2.yzimgs.com/uploads/508285/2023613-1595276.jpg?watermark/2/text/5rex5Zyz5biC6YCa5rqQ5Luq5Zmo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast&p2Src=//y3.yzimgs.com/uploads/508285/2023613-15921227.jpg?watermark/2/text/5rex5Zyz5biC6YCa5rqQ5Luq5Zmo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast&p3Src=//y3.yzimgs.com/uploads/508285/2023613-1594675.jpg?watermark/2/text/5rex5Zyz5biC6YCa5rqQ5Luq5Zmo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast"