Subunit network composed by manifolds and laterals which are all multidiameter pipes is the important part of micro irrigation system.
微灌是一种先进的节水灌溉技术，其田间管网是微灌系统的重要组成部分，组成田间管网的支管和毛管均为多孔出流管。
Subunit network composed by manifolds and laterals which are all multidiameter pipes is the important part of micro irrigation system.
微灌是一种先进的节水灌溉技术，其田间管网是微灌系统的重要组成部分，组成田间管网的支管和毛管均为多孔出流管。
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