“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	equalizing filter equalizing mechanisms Equalizing Things equal land equal length equal-length equal-loudness equal loudness contour equal loudness graph equal-loudness graph equally likely events equally likely outcomes distribution equally oriented curve equally possible events equally-spaced equally strong operators equal odds equal opportunity equal parallelian point equal path equal pay for equal work equal perimeters isoscelizer point equal-pitch equal-polyhedral equal power

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