“railway subgrade maintenance”的概念、定义、翻译、参考文献-科学参考

单词	railway subgrade maintenance
释义	railway subgrade maintenance Encyclopedia 工学铁路路基工程释 railway subgrade maintenance铁路路基养护铁路工务部门对铁路线路的路基所进行的养护和维修。为保持铁路路基本体及附属设施处于良好状态，延长设备使用寿命，及时整治路基病害，预防病害的发生和发展，需经常性有计划地改善路基设备状态。
随便看	imaging diagnosis of head disease imaging diagnosis of limb disease imaging diagnosis of spine disease imaging diagnosis of thoracic disease imaging examination imaging formula for lenses imaging formular for thin lens Imaging Fourier transform spectrometer imaging instrument imaging log imaging objective lenses imaging optical system imaging photometer imaging polarimetry imagingpolarimetry imaging polarimter imaging positions imaging principle of photographic lenses imaging proportional counter imaging radar imaging reconnaissance satellite imaging sensor imaging sizes imaging spectrograph imaging spectrometer

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