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| 土方工程 | |||
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| 土工作业 | |||
| 土方工程 | |||
| 土石方工程 | |||
| 土方工作 | |||
| 土方工程 | |||
| 土方 | |||
| 防御工事 | |||
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earth works : 21 phrases in 10 subjects |
| Bridge construction | 3 |
| Business | 1 |
| China | 1 |
| Economy | 1 |
| Engineering geology | 1 |
| Hydraulics | 1 |
| Hydroelectric power stations | 3 |
| Project management | 1 |
| Rail transport | 1 |
| Technology | 8 |
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