water pretreatment meaning in Chinese
水预处理
Examples
- Small sewage treatment plants - part 1 : plants for waste water pretreatment
小型污水处理厂.第1部分:废水预处理厂 - Productive experiments on biological ceramsite filter for water pretreatment of the upper huangpujiang river
生物陶粒滤池预处理黄浦江上游水的生产性试验研究