underground drainage meaning in English
地下排不沟
地下排水
地下水系
Examples
- A special protection method for underground drainage pipeline
地下排水管道的特殊保护方法 - Underground drainage system of the building in common parts
楼宇公用地方范围内的地下排水系统 - Underground drainage wire
地下防雷线 - Pp . plastics piping systems for non - pressure underground drainage and sewerage - polypropylene - guidance for installation
非压力地下排水和排污塑料管道系统.聚丙烯 - Regarding the safety of underground drainage facilities in hong kong , will the government inform this council
关于本港地下排水管道设施的安全事宜，政府可否告知本会：