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。
The scene each kind of inspection well lap and the blind ditch lap in prefabricate in the field to prefabricate, truck transportation, crane loading and unloading, artificial auxiliary.
现场各类检查井盖板及暗沟盖板在预制场内预制，载重汽车运输、吊车装卸，人工辅助。
This article introduces, discusses and analyzes the test of Elaectro-magnetic technology for the inspection of the pipe end blind area.
本文阐述了用电磁超声技术探测钢管两端盲区进行的试验，并作了分析与探讨。
This article introduces, discusses and analyzes the test of Elaectro-magnetic technology for the inspection of the pipe end blind area.
本文阐述了用电磁超声技术探测钢管两端盲区进行的试验，并作了分析与探讨。
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