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我厂的坡特试验机车是英国专家设计的。其中锅炉的 U 型底圈与内外火箱对接焊缝的射线探伤及质量等级评定,在铁道部和我厂还是首次。在资料缺乏的情况下,我们较成功地进行了探伤检验。
Pitt test locomotive factory is designed by British experts. One of the boiler U-shaped bottom ring and internal and external fire butt weld flaw detection and quality rating, the Ministry of Railways and our factory is the first time. In the absence of information, we conducted a more successful test.