论文部分内容阅读
国内外滴灌产品主要分为两类:一是滴管类,二是滴头类。滴灌管(带),即滴头和滴灌管结合为一体,安装使用非常方便,滴头间距一般为30cm、50cm、75cm、100cm,管壁厚1.5～2.0m m;有的一次性使用,有的使用寿命长达20年。滴头类产品种类也很多,有管上式滴头、可拆卸滴头、压力补偿滴头
Drip irrigation products at home and abroad are mainly divided into two categories: one dropper category, the second is dripper category. Drip irrigation (with), that the drip and drip irrigation pipe as a whole, the installation is very convenient, the dripper spacing is generally 30cm, 50cm, 75cm, 100cm, wall thickness 1.5 ~ 2.0mm; some disposable, and some The service life of up to 20 years. Drip types of products are also many, there are on-tube dripper, detachable dripper, pressure compensated dripper