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以２０６ＫＰ型为例，对提速客车转向架焊接构架应力谱的测试方法、疲劳危险部位的确定及应力谱编谱方法等进行了系统研究。
Taking 206KP model as an example, the stress spectrum of the welded bogie for passenger car in speeding test, the determination of the dangerous position of fatigue and the spectrum method of stress spectrum were systematically studied.