渗透探伤标准试块 GB/T18851-II型 深圳华清仪器仪表有限公司

p1Src=//y1.yzimgs.com/uploads/315373/20161031-91345784.jpg?watermark/2/text/5rex5Zyz5Y2O5riF5Luq5Zmo5Luq6KGo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast&p2Src=//y1.yzimgs.com/uploads/315373/20161031-91350335.jpg?watermark/2/text/5rex5Zyz5Y2O5riF5Luq5Zmo5Luq6KGo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast&p3Src=//y2.yzimgs.com/uploads/315373/20161031-91354808.jpg?watermark/2/text/5rex5Zyz5Y2O5riF5Luq5Zmo5Luq6KGo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast