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。
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。
This system uses pump as control unit to achieve automatic irrigation.
驱动农用抽水泵，实现自动灌溉。
This system uses pump as control unit to achieve automatic irrigation.
驱动农用抽水泵，实现自动灌溉。
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