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胜利炼油厂60万吨/年催化三旋及150万吨/年常减压柜架均采用焊接工字、箱形梁构成。断口如图1所示,每根梁长达
Triumph refinery 600,000 tons / year catalytic three rotary and 1.5 million tons / year pressure relief cabinet are welded word, box beam composition. Fracture shown in Figure 1, each beam up to