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Hydroelectric power and flood control and irrigation are possible without building monster dams.
水力发电、防洪和灌溉都不需要建造大型水坝。
youdao
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This system uses pump as control unit to achieve automatic irrigation.
驱动农用抽水泵，实现自动灌溉。
youdao
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This system uses pump as control unit to achieve automatic irrigation.
驱动农用抽水泵，实现自动灌溉。
youdao