- 排水管 páishuǐguǎn drainpipea pipe used for carrying off surplus water or liquid waste
- 排水量 páishuǐliàng displacementthe weight or volume of water displaced by a floating ship
- 排水沟 páishuǐgōu guttergutter; drainage ditch
- 排水孔 páishuǐkǒng drainage holeA hole through which water or other liquid drains away, such as a plughole in a sink or a weep hole in a wall.
- 给排水 jǐpáishuǐ supply and drainagewater supply and drainage
- 排水口 páishuǐkǒu drainan opening, plughole, or outlet through which water or liquid is discharged or drained away
- 排水渠 páishuǐqú drainage ditcha ditch, channel, or canal used to carry away surface water or sewage