生产运输问题
Production and Transportation Problem
production and transportation scheduling problem
铁矿石生产运输
iron ore production and transportation
砼生产运输控制与管理
Concrete transport control and management
运输生产
transport production
transportation production
运输生产管理系统
transportation productive management system
粮食生产和运输结构
grain production and transportation structure
生产与运输
Production and Transportation
定压、定产生产方式
production mannar at fixed pressure and production
改善农牧民生产生活条件
improve the living and production conditions of farmers and herdsmen