acidic waster water的用法和样例：
- The effect of electrolysis sediment of waster water in EMM,under the best productive condition,will reach 62.
- These save a lot for customers, such as chemical medicine, water, energy and waster water capacity.
- The application and principle of ultrasound in waster water treatment are described.
- The paper suggested establishing groundwater and soil suveying system, therefore, to research the effect on soil and groundwater of exploiting waster water.