“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	pattern recognition theory pattern sampling pattern search pattern search method pattern smoothing patterns of China's mega city regions patterns of criminal act Patterns of Culture patterns of mass communication patterns of pasture water supply patterns of postnatal development pattern solid angle patterns on opera costumes pattern speed patterns with pine,bamboo and plum pattern velocity pattern water flooding Patterson method patter water flooding Pattinson Process Patton Patton and Sawicki model Pattra Leaf Literature Award pattra scripture literature of the Dai people Patuka III Hydropower Project

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