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- 内internal
- 系统system
- 内排水internal drainage
- 超前洞内排水advanced hole draining
- 地铁内排水泵站的设置How to Set the Drainage Pump Station in Underground Railway
- 系统的systemic
- 城市排水系统urban sewerage system
- 内的inner
- 新的喷头可以注射水和气体，同时起到从注射件内排水的出口作用。New nozzles can inject water and gas and can also act as an outlet for water ejection from the part.
- 公路路基排水系统highway subgrade drainage system
- 这城市的排水系统很好。The town's drainage is very efficient.
- 路面排水系统roadway drainage
- 这里的排水系统太好了也有太多的照片想拍但一定小心看路!I got attracted by this smart design on the gate, but didn't watch the trench while taking this picture;
- 供、排水系统:从车间外墙外1米处的接点至用水设备的供水、排水管道。Water supply and drainage system: the water supply and drainage piping from the joint at 1m from the workshop outside wall to water users.
- 抽排水系统pumping-drainage system
- 蓄排水系统system of water storage-drainage
- 复合排水系统drainage system
- 排水系统效率drainage system efficiency
- 公路排水系统highway drainage
- 排水系统的流速Velocity of flow of sewage
