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分析了国内外地铁车辆车体材料的发展历史、现状和趋势,比较了铝合金车体和不锈钢车体的技术性能差异,用经验法估算了铝合金车体和不锈钢车体寿命周期费用。建议地铁车辆采用不锈钢车体。
The development history, current situation and trend of car body materials at home and abroad are analyzed. The technical performance difference between aluminum car body and stainless car body is compared. The life cycle cost of aluminum car body and stainless steel car body is estimated by experience method. Suggest subway vehicles using stainless steel body.