半固定式喷灌系统

本文从建立自压半固定式喷灌系统的各级管道造价模型出发，探讨独立管网面积、形状对工程造价的影响，提出管网优化布置的顺序和方法；

The authors have probed into the relation between the project cost and area and the shape of independent pipe network from setting up a cost model of different graded pipes for permanent gravity sprinkler system and put forward the sequence and method for optimization planning pipe network .

半固定管道式喷灌系统移管机行走轮的参数优化

Optimization Grouping about Design Parameters of Pipe-Moving Machine Moving-Wheel of Sprinkler Irrigation System in Semi-fixed Pipe Network

为了更加深入研究半固定管道式喷灌系统移管机，对其运动的确定性进行了论证，并对其运动性质和动力特性进行了分析计算。

In order to research thoroughly on pipe_moving machine of half_fixed_pipeline sprinkler irrigation system , its movement certainty is demonstrated , and its movement property and kinematical characteristics are also analyzed and calculated .