The rivers merge just north of a vital irrigation system.

这些河流在一个重要的灌溉系统的北部汇合了。

The model shows the whole project of the irrigation system.

这个模型展示该灌溉系统的全貌。

An irrigation system is selected that is less prone to plugging.

选择这样一个灌溉系统很少会阻塞。

You’d reduce water use and end runoff by recycling water in a closed irrigation system.

人们还可以在封闭的灌溉系统中循环用水以减少用水量、避免径流造成土肥流失。

The most common type of landscape irrigation system USES traditional sprinkler heads.

景观灌溉系统最常见的类型使用传统花洒头。