標(biāo)題: ASTM E 1955-2004 對(duì)照ASTM E390標(biāo)準(zhǔn)射線(xiàn)照片對(duì)鋼材的焊接... [打印本頁(yè)] 作者: 兌水 時(shí)間: 2009-11-10 15:05 標(biāo)題: ASTM E 1955-2004 對(duì)照ASTM E390標(biāo)準(zhǔn)射線(xiàn)照片對(duì)鋼材的焊接... E1955-04 Standard Radiographic Examination for Soundness of Welds in Steel by Comparison to Graded ASTM E 390 Reference Radiographs