 |
| |||
| 管截面 | |||
| 管段; 管道; 管路部分 | |||
| 管节 | |||
| 管节一节管子 | |||
| 隔热管段 | |||
| 管子断面; 管壳 | |||
|
pipe section : 43 phrases in 6 subjects |
| Bridge construction | 6 |
| Hydroelectric power stations | 2 |
| Nautical | 1 |
| Oil / petroleum | 4 |
| Refrigeration | 1 |
| Technology | 29 |
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