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。

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Because of these low-lying areas water lift is not high but the irrigation or drainage water a considerable loser should adopt a "low-head large flow" performance characteristics of axial flow pump.

这些地区由于地势低洼，提水扬程不高，但农田灌溉或排涝的输水量相称大，应该采用“低扬程、大流量”性能特点的轴流泵。

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