People's Liberation Army soldiers used explosives to blast the blockage that created a barrier lake on the Bailong River. After two blasts, the level of the barrier lake decreased by a meter.
The mudslides occurred at around midnight in Zhouqu County, when the residents were asleep, and a barrier lakeformed on the Bailong River at around 1 a.m.
People's Liberation Army soldiers used explosives to blast the blockage that created a barrier lakeon the Bailong River. After two blasts, the level of the barrier lakedecreased by a meter.
与此相关还有一个词 landslide dam(堰塞坝)，例：
Because of their rather loose nature and absence of controlled spillway, landslide damsfrequently fail catastrophically and lead to downstream flooding, often with high casualties.