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关注:1
2013-05-23 12:21
求翻译:4. due to molten salt heating surface of boiler tubes for CR-MO steel, notch sensitivity, must take the preheating before welding, thermal insulation, heat treatment after welding to prevent weld cracking, lower levels of residual stresses in welded joints. From strictly linear in the welded joint of surface defects, a是什么意思?![]() ![]() 4. due to molten salt heating surface of boiler tubes for CR-MO steel, notch sensitivity, must take the preheating before welding, thermal insulation, heat treatment after welding to prevent weld cracking, lower levels of residual stresses in welded joints. From strictly linear in the welded joint of surface defects, a
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