Substituting inner-hole welding construction for traditional end surface welding construction is a fundamental method for raising the stabilities of anti-stress corrosion and anti-slit corrosion.
用内孔焊结构代替传统的端面焊结构是提高换热器管子与管板焊接接头抗应力腐蚀和缝隙腐蚀稳定性的根本途径。
The power end :The frame is welded steel-plate construction. It is stress-relieved after welding.
动力端：壳体为钢板焊接结构，焊后消除内应力。
The power end :The frame is welded steel-plate construction. It is stress-relieved after welding.
动力端：壳体为钢板焊接结构，焊后消除内应力。
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