quality change of the water

• 水质变化

quality change of the water的用法和样例：

例句

1. 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。