大棚蔬菜栽培管理要点
Key Point of Tunnel Vegetable Cultivation
棚室蔬菜栽培环境管理
Management of Vegetable Cultivation in Tunnel
设施蔬菜栽培
vegetable sheltered field soil
无土栽培装置
soilless culture equipment
导叶不同步装置MGV装置
misaligned guide vane MGV
大空间空调
air conditioner in bigger space
大空间空调系统概述
Big space air- conditioning system outline
大位置空间
Large positional workspace
复杂时间－空间布局
complicated time-space layout