heavy-duty freight car 中文意思是什麼
heavy-duty freight car
解釋
重載貨車-
With the development of china railway towards high speed and heavy duty, those shortages have not met the service requirement of the existing meter gauge freight cars. therefor, it is necessary to study the relevant design standard of the meter gauge freight car and apply the study conclusion into the structural design
隨著鐵路運向高速、重載發展,由於系列米軌貨車的缺陷,以及由此導致的車輛在使用中出現輪重減載率較大而影響運行安全等問題,已經不能滿足當前米軌貨車的應用要求。
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