The basic reason of these abnormal phenomenas is caused by hyper-sediment concentration, severe deposition of the channel and obviously increased the river bed.
发生这些异常现象的根本原因是，本次洪水的含沙量大以及近几年河道淤积严重、河床明显抬高。
The basic reason of these abnormal phenomenas is caused by hyper-sediment concentration, severe deposition of the channel and obviously increased the river bed.
发生这些异常现象的根本原因是，本次洪水的含沙量大以及近几年河道淤积严重、河床明显抬高。
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