多年生牧草
perennial grass
perennial grass and legume
Perennial artificial grazing
perennial forage
Perennial grasses
冬性一年生牧草
Annual winter forage crop
多功能能源系统
multi-functional system (MES
多能源控制系统
multi-energy management control system
多能源联合制冷
combined refrigerating with multi-energy source
多能源匹配
multi-energy-source matching