river flow的用法和樣例：
例句
- Ideally suited to narrow canyons composed of rock, the arch dam provides an economical and efficient structure to control the stream flow.
拱壩適合于修建在巖基的峽谷中，它是一種控制河道水流經(jīng)濟且有效的建筑物。 - 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.
文章利用模擬實(shí)驗開(kāi)展了平原地區緩流河道中的水質(zhì)變化對河道水流速度與來(lái)水水質(zhì)的響應規律研究。
