铁路干线交汇处整组更换交叉渡线和复式交分道岔群的施工组织

铁路干线交汇处整组更换交叉渡线和复式交分道岔群的施工组织的英文翻译

基本释义

• Construction organization on upgrading a series of scissors crossings and composite slip turnout group at intersection of trunk railways