One example of a water conservancy project is the construction of a dam and reservoir system to store and distribute water for irrigation
One example of a water conservancy project is the construction of a dam and reservoir system to store and distribute water for irrigation
One example of a water conservancy project is the construction of a dam and reservoir system to store and distribute water for irrigation
One example of a water conservancy project is the construction of a dam and reservoir system to store and distribute water for irrigation

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