| 1. | For many years chlorine has been the major disinfectant used in water and wastewater treatment plants .
氯作为水和废水处理厂的主要消毒剂已有许多年。 |
| 2. | Wastewater treatment plants - general data required
污水处理厂.要求的一般数据 |
| 3. | Wastewater treatment plants - part 14 : disinfection
废水处理厂.第14部分:消毒 |
| 4. | Wastewater treatment plants - control and automation
废水处理厂.控制和自动化 |
| 5. | Wastewater treatment plants - activated sludge processes
污水处理厂.活性污泥处理法 |
| 6. | Wastewater treatment plants - part 4 : primary settlement
废水处理厂.第4部分:初步澄清 |
| 7. | Wastewater treatment plants - odour control and ventilation
污水处理厂.气味控制和通风 |
| 8. | Wastewater treatment plants - part 10 : safety principles
污水处理厂.第10部分:安全原则 |
| 9. | Wastewater treatment plants - sludge treatment and storage
废水处理设备.污泥处理和储存 |
| 10. | Wastewater treatment plants - part 3 : preliminary treatment
污水处理厂.第3部分:预处理 |
