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vern av vann
environ.
水利
为了利用水资源,对水资源的保护、发展和有效管理。
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水资源保护
保护地表水和地下水的措施,以确保水的持续可用性以满足不断增长的家庭、商业和工业用途,以确保自然生态系统有足够的水。
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