drain and sewer meaning in Chinese
沟渠及污水渠
Examples
- Drain and sewer systems outside buildings - index
建筑物外的污水和排放系统.索引 - Construction and testing of drains and sewers
排水管和污水管道的施工和检验 - Drain and sewer systems outside buildings - planning
室外建筑物的排水和污水系统.计划 - Construction and testing of drains and sewers
排水管和下水道的施工和验收 - Drain and sewer systems outside buildings - rehabilitation
建筑物外的排水和污水系统.修复