您要查找的是不是：
- It is concluded that the efficiency of purifying water quality and conserving water resource can be enhanced through planting hydrophytic aquatic vegetation in wetlands. 从数据统计结果来看，应善用水生植群截留功能，藉由设计植群排列及规划植群佔地面积，以达到净化水质、涵养水源之功效。
- Who sets the standard for water quality? 水质标准由谁来制定?
- The plain water quality is very poor. 原水质很差。
- Water quality - Determination of cyanide index. 水质。氰化物指数的测定。
- Reveal long-term changes in water quality. 反映河溪水质的长期变化趋势。
- Water quality can deteriorate in the summer. 夏季时水质会变坏。
- See water quality solution above all. 首先看水质溶液。
- Conclusion: Water quality of the headwater is bad. 结论：该市农村水源水水质差。
- The water quality of the offshore marine areas tended to improve. 近岸海域海水水质呈改善趋势。
- The water quality remains the same as that in the previous year. 与上年相比，水质持平。
- Trickle irrigation conservers water where limited. 滴灌在水少的地方应用起来可省水。
- Every day the laboratory collects samples to monitor the water quality in Ago Bay. 每天，实验室都要在AGOBAY收集样品，监测水质。
- We must conserve water during the drought. 干旱期间我们必须节约用水。
- Do you conserve water and energy? 你节约用水用能吗?
- Recycling conserves water resources. 回收保存水资源。
- What methods do you use to conserve water? 你们都用些什么方法来蓄水?
- We should vigorously call for conserving water. 我们要大力提倡节约水资源。
- It will give a warning if the product water quality is in failure. 产水水质不合格报警并排放。
- Water quality - Determination of chemical oxygen demand (COD). 水质。氧的化学消耗量的测定(重铬酸钾法)
- Water quality - Determination of dissolved carbon dioxide. 水质。溶解二氧化碳含量的测定。
