“heavy haul operations”的概念、定义、翻译、参考文献-科学参考

单词	heavy haul operations
释义	heavy haul operations Encyclopedia 管理学重载运输释 heavy haul operations重载运输在列车重量至少达到8000吨、计划轴重在27吨及以上、至少150千米线路区段上单线年运量超过4000万吨等三个条件中满足任意两个的铁路运输。
随便看	frequency deviation frequency diagram frequency dictionary frequency difference splitting technique frequency discriminator frequency dispersion frequency distribution frequency distribution curve frequency distribution table frequency diversity and combining frequency divider frequency dividing network frequency division duplex-long term evolution, FDD-LTE frequency division multiple access frequency division multiple access, FDMA frequency division multiplex communication frequency division multiplexing frequency division multiplexing, FDM frequency division multiplexing，FDM frequency domain frequency domain airborne electromagnetic method frequency domain analysis frequency-domain analysis frequency domain analysis of dynamic circuits frequency domain electromagnetic method

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