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| 顶管作业 | |||
| 顶管法; 管子推顶法; 管子顶托; 管道顶入; 顶管施工; 顶进法 | |||
| 输管撑顶 | |||
| pipe jacking: 14 phrases in 5 subjects |
| Bridge construction | 1 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 1 |
| Rail transport | 2 |
| Technology | 9 |
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