“railway transportation development”的概念、定义、翻译、参考文献-科学参考

单词	railway transportation development
释义	railway transportation development Encyclopedia 工学矿床露天开拓释 railway transportation development铁路运输开拓采用铁路线路建立地面至采场各工作水平，以及各工作水平之间的矿岩运输通道的开拓方式。
随便看	step disturbance step-down operator step-down ratio step-down transformer step-down turns ratio step drilling tool Step-empress of Jingtai Step-empress of Xuanzong step factor step filter step-formed graph step function step-function signal step generator step growth polymerization step-growth polymerization Stephane George Mallat Stephano stephanocolporate stephanocyst stephanokont Stephan's Quintet Stephan the Great stephanuriasis of pig Stephanus

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