This paper systematically analyses the reasons of the decrease of water stock number in coal mining areas, and puts forward some rational suggestions.
文章系统地分析了采煤区水资源量减少的原因，并提出了合理的建议。
In the meantime watch a large number of financial investment in the stock of books and video, such as Chen's teaching compass and water, and other leather articles.
在此期间大量观看金融股票投资影视和书籍，例如陈浩的指南针教学和水皮的文章等。
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