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| 从干管分支出的人户管 | |||
| 用户水管 | |||
| 水管; 煤气管 | |||
| 给水管; 供水管 | |||
| 煤气管线; 入户管线 | |||
| 室内燃气管道; 进宅导线管; 用户管; 入户管; 进宅支管 (水管、燃气管); 引入管; 供水户线; 工作管道; 给水管 (道); 进给管; 接户管; 用户进水管 | |||
| |||
| 从干管分支出的人户管 | |||
| 给水管; 供水管 | |||
| service pipe: 33 phrases in 8 subjects |
| Bridge construction | 1 |
| Drilling | 4 |
| Mechanics | 2 |
| Nautical | 1 |
| Nuclear and fusion power | 2 |
| Oil / petroleum | 1 |
| Refrigeration | 2 |
| Technology | 20 |
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