“betterment and reconstruction of existing railway”的概念、定义、翻译、参考文献-科学参考

单词	betterment and reconstruction of existing railway
释义	betterment and reconstruction of existing railway Encyclopedia 工学铁路选线设计释 betterment and reconstruction of existing railway既有线加强与改建对运营铁路进行技术改造。通过提高既有铁路的输送能力、列车运行速度，降低运输成本，以适应经济社会发展所带来的铁路运量的快速增长以及旅客对运输质量的更高要求。
随便看	gas sensitive element gas sensitive membrane electrode gas-sensitive membrane electrode gas sensor gas sensory semiconductor materials gas separating and filtering gas separation by hydrate gas separation membrane gasser gassing gas singeing gas-solid adsorption separation gas solid chromatography gas-solid chromatography gas solid chromatography (GSC) gas-solid chromatography (GSC) gas solid density gas-solid flow in bubbling fluidized bed gas-solid flow in circulating fluidized bed gas solid mixing ratio gas solid reaction kinetics gas-solid reaction kinetics gas-solid separation gas-solid slip speed gas solid state hydrogen absorption and desorption

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