消滩水力指标是山区河流航道整治设计中必须首先明确的问题。
In the regulation design of navigation channel of mountain rivers, rapids suppression hydraulic indexes should firstly be determined.
在雨季，山区的铁路、公路和航道的中断，80％以上由泥石流、滑坡、山洪所造成。 云南位于云贵高原，是一个高原山区省份，道路山地灾害几乎每年都有发生。
In rainy season, 80 percent of the disruption of railway road and sea-route is caused by mountainous calamity, mountainous calamity happened every year in yunnan province, China.
我国西部山区河流急流滩险众多，研究急流滩消滩水力指标，是航道工程中的重要研究内容。
There are many waterway with rapids in mountainous rivers in western China. Study on the hydraulic parameter of rapids abating is the important content of navigation project.
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