而集中供热的城市建筑物顶部可以帮助西红柿成熟，这也意味着更频繁地浇水，即使浇水灌溉需要你扛着水罐上楼。

And while concentrated heat on top of city buildings can help tomatoes ripen, it also means more frequent watering, even if irrigation requires lugging watering cans up stairs.

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首次提出灌区的灌溉技术和管理技术落后也属于灌区老化的范畴，并提出按灌溉面积和建筑物级别进行评估的概念。

The backward irrigation technology and management are also belong to irrigation district ageing. This view is first presented in irrigation ageing evaluation. The concept of evaluation based on irri…

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