Close all blind flanges, inspection holes and manholes.
关闭所有盲法兰盖、并检查各个孔和人孔。
At the same time, combined with the ability to check the scope of the inspection and testing institutions, the vast majority of institutions to implement blind sample assessment.
同时，结合被检查检验检测机构的能力范围，对绝大多数机构实施了盲样考核。
Within the blind Angle area of the Amalog Sonoscope leakage flux inspection system, the rotary rolling caused flaws in seamless steel pipes were missed quite often due to low detection sensitivity.
无缝钢管表面的斜轧缺陷，因位于漏磁纵横向检测机组的盲角区域，检测灵敏度低，容易漏检。
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