| 1. | Trade effluent surcharge scheme wanchai development phase ii 湾仔发展计划第ii期 |
| 2. | Reducing water and sewage charges and trade effluent surcharge 排污费和工商业污水附加费 |
| 3. | Consists of domestic and trade effluents 包含内部的和交换的污水。 |
| 4. | Trade effluent surcharge for restaurants 食肆的工商业污水附加费 |
| 5. | Trade effluent surcharge scheme 工商业污水附加费计划 |
| 6. | Reduction of water charges , sewage charges and trade effluent surcharges 减少水费排污费及工商业污水附加费 |
| 7. | Sewage services trade effluent surcharge amendment regulation 2007 2007年污水处理服务工商业污水附加费修订规例 |
| 8. | Discharge of trade effluent 排放工商业污水 |
| 9. | Trade effluent surcharges 工商业污水附加费 |
| 10. | Trade effluent surcharge 工商业污水附加费 |