For high arch DAMS in valleys with the characteristics of highwater head, large discharge and large power, the problems of energy dissipation and scour prevention are serious.
高拱坝泄洪消能的特点是坝高落差大，流量大，功率大，位于河谷狭窄地区，泄洪消能与防冲问题突出。
2
It is prohibited to discharge waste water containing High-level radioactive matter into the sea.
含强放射性物质的废水，禁止向海域排放。
3
The pressure characteristics of pulse discharge in water are investigated by using high speed photography and pressure sensor.