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

单词	heavy-haul railway
释义	heavy-haul railway Encyclopedia 工学〔铁路种类划分〕释 heavy-haul railway重载铁路满足列车牵引质量8000吨及以上，轴重为27吨及以上，在至少150千米线路区段上年运量大于4000万吨3项条件中两项的铁路。
随便看	zero of a vector field zero of multiplicity n zero of multiplicity two zero of order k zero-one distribution zero one integer programming zero-one integer programming zero one law zero-one law zero-one method zero-one optimization zero-one programming zero-one sequence zero operator zero order zero-order-hold zero-order Laue zone zero order spectrum zero-order spectrum zero order wave plate zero-order wave plate zero-phase signal zero-phonon transition zero plane displacement zero point

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