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各车辆段数年前就研制了自动车钩的分解器,可以使自动车钩钩舌不卸在地上进行检查。虽然各地区都在使用这类机具,但各有所长,而且研制中没有考虑到强度方面的
A few years ago, each vehicle segment developed a coupler for the automatic coupler that allows the coupler to be unloaded to the ground for inspection. Although all kinds of machinery are used in all regions, they have their own advantages and do not take into account the strength