Phosphorus release of soils in the drawdown area strongly affected eutrophication of water column.
消落区土壤磷素释放对水体富营养化有重要影响。
The sudden drawdown of temperature in winter can easily cause cracks, even the cross-cutting cracks for the dam in the severe cold area.
严寒地区冬季温度骤降很容易使大坝形成裂缝，甚至是贯穿性的裂缝。
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