1. 管道设备,水暖设备系统：plum 李 | plumbing system 管道设备,水暖设备系统 | pollen 花粉;传花粉给
2. 管道系统：plumbago 石墨粉 | plumbing system 管道系统 | plume trap 排烟罩
3. 污水粪便系统：plumbing rope 测深绳 | plumbing system 污水粪便系统 | plumbing 管系安装
4. 卫生设备系统：217. prestressing force 预应力 | 218. plumbing system 卫生设备系统 | 220. pile foundation 桩基础
noun
1. utility consisting of the pipes and fixtures for the distribution of water or gas in a building and for the disposal of sewage
Synonym: plumbing