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提速后 ,客车转向架构架裂纹逐年增多 ,本文通过调查分析 ,找出了构架裂纹的原因 ,并提出相应的对策措施。
After speeding up, the crack of bus bogie frame increases year by year. Through the investigation and analysis, this paper finds out the cause of frame crack and puts forward corresponding countermeasures.