
Non-destructive Testing of Welds - Radiographic Testing Part 1: x- and Gamma-ray Techniques With Film (iso 17636-1:2013)
出版:National Standards Authority of Ireland

专家解读视频
Non-destructive Testing of Welds - Radiographic Testing Part 1: x- and Gamma-ray Techniques With Film (iso 17636-1:2013)
出版:National Standards Authority of Ireland
专家解读视频