埋弧自动焊在锅炉、压力容器筒体(Q235B,δ=6mm)焊接中的应用
매호자동한재과로、압력용기통체(Q235B,δ=6mm)한접중적응용
Welding Application of Auto Submerged Arc Welding Technique in the Boiler and the Pressure Vessel Tube Body ( Q235B, δ =6mm )
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