“combined highway and railway bridge”的概念、定义、翻译、参考文献-科学参考

单词	combined highway and railway bridge
释义	combined highway and railway bridge Encyclopedia 工学桥梁类型释 combined highway and railway bridge公铁两用桥对于基础工程复杂、墩台造价较高的大桥或特大桥，以及靠近城市、铁路公路均较稠密而需建造铁路桥和公路桥以连接线路时，为了降低造价和缩短工期，可考虑建造公路、铁路同时共用的桥梁。
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