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对火力发电厂厚壁大直径合金管（主蒸汽管道和再热蒸汽管道热段）安装焊口的焊接质量监控进行了阐述，并就目前火力发电厂厚壁大直径合金管焊接过程中出现的一些问题提出了改进意见。
The welding quality monitoring of the welding seam on the thick-walled large diameter alloy pipe (the main steam pipe and the reheat steam pipe) of the thermal power plant is described. And in the process of welding the thick-walled large diameter alloy pipe in the thermal power plant Some questions raised suggestions for improvement.