The results reveal that after the impounding, Tunaozi Shoal transformed basically from convex-bank entrenched meander to shallow broad river, and will further develop to a concave-bank deep channel.
分析表明，蓄水后土脑子河段已基本完成由凸岸深切河曲向宽浅河曲变化的过程，将会进一步转化为凹岸深槽的河曲。
The river courses in the lower Heihe river are all natural ones with irregular cross sections and great seepage, belonging to broad-shallow type of sandy riverbed.
黑河下游河道都是天然河道，断面不规则，属宽浅型沙质河床，河道渗漏量大。
Here are broad river valleys, most of which are flat and shallow. The current here is slow and there are many lakes and swamps.
这里河谷开阔，大部分是平浅谷地，水流缓慢，多湖塘沼泽。
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