Flood control standards are still low and the pollution of the lake remains serious.
防洪标准依然很低，污染依然很严重。
Some recommendations were proposed for the purpose to prevent water pollution of the Lake.
最后提出了一系列的污染治理的意见和建议。
Some recommendations were proposed for the purpose to prevent water pollution of the Lake.
最后提出了一系列的污染治理的意见和建议。
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