机压管道喷灌系统的作业区与压力区划分这篇文章刊登在《排灌机械》１９９５年第３期第４０～４１页．作者是西安理工大学白丹。文章针对机压管道式喷灌系统的特点．阐述了其作业区与压力区划分的目的、原则以及二者的关系，提出以年费用最低作为作业区与压力区划分的依据... Mechanical pressure sprinkler irrigation system operating area and the pressure zone This article published in the “irrigation and drainage machinery” 1995 the third period 40 ~ 41 pages. The author is Baidan Xi’an University of Technology. The article is aimed at the characteristics of machine-pressure pipeline irrigation system. Expounds the purpose and principle of division of work area and pressure area, and the relationship between the two, puts forward that the minimum annual fee should be taken as the basis for division of work area and pressure area ...