comprehensive sewerage meaning in English

综合污水收集系统

Finally , the government initiated improvements to the sewerage infrastructure by preparing and implementing the 16 sewerage master plans since 1987 that provide blueprints for a comprehensive sewerage network covering all of hong kong
此外，政府也致力全港各地改善污水基本设施，并于1987年开始逐步实施16个污水收集整体计划。
One way to help minimise pollution even before all expedient connections have been eliminated and a comprehensive sewerage system put in place is to build dry weather flow interceptors below pollution sources
要清除所有非法接驳的排污渠和扩展公共污水收集系统至全港各地需要一定的时间，目前为尽量减低河溪污染，政府在污染源下游建设了旱季截流设备。