標(biāo)題: ASTM A 939-1996 圓柱體鍛件鏜孔表面反射超聲檢測(cè)的標(biāo)準(zhǔn)... [打印本頁(yè)] 作者: 兌水 時(shí)間: 2009-9-10 08:37 標(biāo)題: ASTM A 939-1996 圓柱體鍛件鏜孔表面反射超聲檢測(cè)的標(biāo)準(zhǔn)... A939-96(2001) Standard Test Method for Ultrasonic Examination from Bored Surfaces of Cylindrical Forgings