The restraint of geologic structure of river bed and bank on the rivers geologic action controls the river evolution trend.
河床河岸地质结构对河流地质作用的制约主导着河道演变的趋势。
Its shown that the flow structure in the dam area are basically corresponding with the bed configuration after evolution of the river situation.
研究表明，坝区水流结构与河势演变后形成的河床形态基本相对应。
Because it destroyed the river equilibrium, sand excavation would cause river bed erosion in large scale, which is danger our to the structure across the river.
由于采沙破坏了天然河床的平衡状态，可引起长距离河床整体下切，对已有跨河桥梁工程不利。
It puts forward some main factors that influences the silt, which are structure characteristics of the filter bed, water quality of river, the condition of water force and the technology...
提出了滤床的结构特征、河水水质、水动力条件及取水工艺是影响淤塞的主要因素，总结了防治淤塞的建议。
It puts forward some main factors that influences the silt, which are structure characteristics of the filter bed, water quality of river, the condition of water force and the technology...
提出了滤床的结构特征、河水水质、水动力条件及取水工艺是影响淤塞的主要因素，总结了防治淤塞的建议。
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