我国目前大量的泵站在国民经济中承担着农业抽水灌溉、城市供水排水等任务，发挥着巨大的作用。
A large number of pump stations undertake the tasks of agriculture pumping irrigation, urban water supply and drainage and play the important role in the national economy of China.
灌区运行要求泵站既能满足正常情况供水，又能满足向调节水库储水和从调节水库提水灌溉。
Irrigation district operation requires that pumping station not only satisfy normal water supply, but ensure the water reserves of adjustment reservoir and water lifting irrigation form the reservoir.
灌区节水是泵站节能及降低灌溉成本的主要途径。
So it is only when water-saving has been done on the whole …
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