GB/T 35367-2017潜水器钛合金对接焊缝X射线检测及质量分级国家标准
英文:X-ray radiography technique and quality classification for titanium butt weld joints on submersible GB/T 35367-2017介绍...
英文:X-ray radiography technique and quality classification for titanium butt weld joints on submersible GB/T 35367-2017介绍...