It provide reference for the design of pumping irrigation works on the heavy silt carrying rivers.

可供多泥沙河流电力提灌工程设计参考。

youdao

Some useful methods provailed in our country are presented here for calculating the economical head in pumping irrigation.

本文介绍了国内关于经济扬程现有的几种计算方法，并分别进行了分析评价。

youdao

In hilly areas, water pumping irrigation lift is high, and the irrigation water fee is high because of the high pumping cost, so the burdens on farmers are very heavy.

丘陵地区提水灌溉需要的扬程高，水费占灌溉成本的比重大，农民的负担很重。

youdao

In places like Syria and southern Iraq that are now being dried out by the Turkish dams, irrigation is primitive - often involving nothing more than water trucks pumping water out of the Euphrates and driving it over to fields that are often less than a kilometer away.

CENTERFORSECURITYPOLICY: America's exceptional ally