This paper analysed the specialties of the downstream flood change of Weihe River which occurred before and after the river atrophied. 摘要在实测资料基础上，本文分析了渭河下游河槽萎缩前后的洪水变化特点及其成因。
The frequently occurring unordinary flood stage increases the difficulty of flood control practice in the river. 频繁发生的异常洪水位现象给渭河下游防洪增加了困难。
the lower Weihe River怎么读 the lower Weihe River是什么意思
