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| excavated cross-section | |||
| excavated section | |||
| excavation section; section of excavation | |||
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开挖断面 : 27 phrases in 7 subjects |
| Bridge construction | 1 |
| Electronics | 1 |
| Engineering geology | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 1 |
| Rail transport | 1 |
| Technology | 19 |
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