高含硫化氢气田钢质管道环焊缝射线检测(附条文说明)高含硫化氢气田钢质管道环焊缝射线检测(附条文说明)Radiographic inspection for circumferential fusion welding joints of steel pipeline in highly hydrogen sulfide gas field
无损检测 金属管道熔化焊环向对接接头射线照相检测方法
Non-destructive testing - Test methods for radiographic testing of circumferential fusion-welded butt joints in metallic pipes and tubes