spray irrigation system meaning in English

喷灌系统

Design the spray irrigation system for forestry nursery
林业苗圃喷灌系统设计
Design of spray irrigation system for landscape
浅谈园林绿化喷灌设计
On planning design of spray irrigation system
谈喷灌系统的规划设计
Application on spray irrigation system in greenbelt lawn arid region yellow river valley
黄河谷地干旱区绿地草坪喷灌系统的应用
Based on the analyses of the investment of nozzle tube net and relationship between the annual operation cost and tube diameter function of a fixed spray irrigation system , a mathematic model to calculate the economical tube diameter of a spray irrigation system is developed by using the minimum expense norm and nonlinear planning theory in engineering economic analysis , and a direct calculation formula for the economical tube diameter in unrestrained conditions is presented
摘要在分析了固定式喷灌系统的管网投资、年运行费用与管径函数关系的基础上，利用工程经济分析中费用最小化准则和非线性规划理论，建立了求解喷灌系统管网经济管径的数学模型，并给出了无约束条件直接求解经济管径的计算式。