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Water saving ppt courseware


Water conservation is the obligation and responsibility of each of our citizens. Water conservation must be started from me and from a young age. This set of water saving ppt courseware uses a small green and fresh style, describing the value of water resources, how to use water resources reasonably, and specific measures to save and protect water resources.


Water conservation is the obligation and responsibility of each of our citizens. Water conservation must be started from me and from a young age. This set of water saving ppt courseware uses a small green and fresh style, describing the value of water resources, how to use water resources reasonably, and specific measures to save and protect water resources.



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