干物质生产与运转
Dry matter production and translocation
教育生产运作
deucational production function
生产运输问题
Production and Transportation Problem
production and transportation scheduling problem
生产运行管理
normal operation
Production and Operation Management
生产运行管理技术
management technology of production and operation
生产运行模式
production operating mode
生产运作管理
production operations management
生产运作系统
the production operation system
铁矿石生产运输
iron ore production and transportation