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介绍了HX_D3D型机车15X车钩的结构原理,对钩舌销在结构上的缺陷进行原因分析,并提出改进措施。
The structure principle of 15X coupler of HX_D3D locomotive is introduced, the reason of the structural defects of knuckle pin is analyzed, and the improvement measures are put forward.