/nzcms_nzweb/nzcms_up/attached/file/20150724/20150724151169026902.pdf JB/T 4730-2RT
/nzcms_nzweb/nzcms_up/attached/file/20150724/20150724151110301030.pdf JB/T 4730-3UT
/nzcms_nzweb/nzcms_up/attached/file/20150724/20150724151260616061.pdf JB/T 4730-4MT
/nzcms_nzweb/nzcms_up/attached/file/20150724/2015072415120109109.pdf JB/T 4730-5PT
/nzcms_nzweb/nzcms_up/attached/file/20150724/20150724151299049904.pdf GB/T 5777-1996 無縫鋼管超聲波探傷檢驗方法
/nzcms_nzweb/nzcms_up/attached/file/20150724/2015072415120413413.pdf GB/T 7233-87 鑄鋼件超聲探傷及質量評級標準
/nzcms_nzweb/nzcms_up/attached/file/20150724/20150724151233023302.pdf GB/T 11345-89 鋼焊縫手工超聲波探傷
/nzcms_nzweb/nzcms_up/attached/file/20150724/20150724151223942394.pdf JB/T 8467-1996 鍛鋼件超聲波探傷方法