“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	rural power supply rural production-living-ecology space rural production waste rural projectionist rural property rights trading market rural public finance rural public goods rural public management rural public service facilities rural public space rural records rural reform rural renaissance rural residential lightning protection rural restructuring Rural School Consolidation Movement rural settlements rural settlement system rural sewage rural sewage treatment rural sideline production rural small wind generation rural social assistance rural social contradiction rural social differentiation

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。