Rainwater might be a potential water resource worldwide concerned and has been utilized in some big cities.
雨水资源化是解决水资源短缺的有效措施之一，在国际上受到广泛的关注，并在许多大城市得到应用。
Rainwater might be a potential water resource worldwide concerned and has been utilized in some big cities.
雨水资源化是解决水资源短缺的有效措施之一，在国际上受到广泛的关注，并在许多大城市得到应用。
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