The water-measuring devices of irrigation engineering are the basis of levying water charge, and also an important method of rational regulation of water resources.
灌溉工程的量水设施是计量灌溉用水量，征收水费的依据，也是合理配水调度的重要手段。
The water-measuring devices of irrigation engineering are the basis of levying water charge, and also an important method of rational regulation of water resources.
灌溉工程的量水设施是计量灌溉用水量，征收水费的依据，也是合理配水调度的重要手段。
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