轻型铝质煤车的经济分析与市场预测门迎春柏振军刘彤轻型铝质煤车在美国通过４０余年的铁路运煤检验，被证实为是铁路运输中最经济的装载工具。对于煤炭产量居世界首位的我国，轻型铝质煤车具有广阔的市场前景。特别是在路基、桥涵等铁路设施无需改造的情况下，充分利用轻... Economic analysis and market prediction of light aluminum coal vehicles Men Yingchun Bai Zhenjun Liu Min light aluminum coal trains passed the 40 years of railway transportation inspection in the United States and proved to be the most economical loading tool for railway transportation. For China, where coal production ranks first in the world, light aluminum coal cars have a broad market prospect. Especially in the case of subgrades, bridges and culverts and other railway facilities without the need to recon...