铁路机车总体结构材料的性能分析与选用——以机车车体和转向架结构为主要研究对象
철로궤차총체결구재료적성능분석여선용——이궤차차체화전향가결구위주요연구대상
The Performance Analysis and Choice of Overall Structure Material on Railway Locomotive——Take the Body of Locomotive as the Main Research Object
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