单词：river flow
river flow的用法和样例：
例句
- Ideally suited to narrow canyons composed of rock, the arch dam provides an economical and efficient structure to control the stream flow.拱坝适合于修建在岩基的峡谷中，它是一种控制河道水流经济且有效的建筑物。
- Experiment was made to simulate slow flow riverway of plain at the aim to find effect of water quality on current velocity and quality of input water.文章利用模拟实验开展了平原地区缓流河道中的水质变化对河道水流速度与来水水质的响应规律研究。
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