60kg/m钢轨12号固定辙叉无缝道岔铺设的理论计算分析
谷爱军;范俊杰;高亮
60kg/m钢轨12号固定辙叉无缝道岔铺设的理论计算分析
Teoretical Calculation for the 60 kg/m Rail No.12 Continuous Welded Turnout with Rigid Frog
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