经过两次爆破, 堰塞湖 水位下降了一米。
After two blasts, the level of the barrier lake decreased by a meter.
2010年7月初,堰塞湖终于通过泄洪渠开始放水。
In early July 2010, the lake finally began flowing over the spillway.
与此同时,下游地区则面临着堰塞湖突然溃坝导致洪水泛滥的风险。
Meanwhile, downstream communities faced a risk of a flood should the landslide lake break through the earthen dam suddenly.
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