介绍了冶金起重机金属结构偏轨箱形模拟主梁的疲劳失效分析研究结果，提出疲劳失效的原因及改进措施。
Failure analysis of side rail box imitating chief beam of metallurgy crane was studied. Cause of fatigue failure and improving method were given.
介绍了对T型钢承轨偏轨箱形主梁的焊接变形控制。
Controlling for distortion of main box girder carrier-track welded with T-beam is introduced in the paper.
介绍了对T型钢承轨偏轨箱形主梁的焊接变形控制。
Controlling for distortion of main box girder carrier-track welded with T-beam is introduced in the paper.
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