对209P型客车转向架摇枕安全吊座断裂原因进行了分析，并提出了改进建议。
The causes to breaking of bolster safety hangers on 209P passenger car bogies are analyzed, and suggestions for improvement are given.
对209P型客车转向架摇枕安全吊座断裂原因进行了分析，并提出了改进建议。
The causes to breaking of bolster safety hangers on 209P passenger car bogies are analyzed, and suggestions for improvement are given.
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