This paper analyzes the process and the reasons of erosion damage caused by lo- cal scour below a hydraulic building and also put forward some measures to prevent this kind of damage.

分析了产生水工建筑物下游局部冲刷破坏的过程及原因，提出了防止冲刷破坏的措施。

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The joint Green Party and Alliance motion was opened by Anna Lo who said the four licences for exploration for hydraulic fracturing, known as "fracking", had been granted despite a "severe deficiency of research".

BBC: Hydraulic fracturing