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| ramming; tamping; punning | |||
| 夯填: 43 phrases in 10 subjects |
| Architecture | 2 |
| Bridge construction | 7 |
| Drilling | 1 |
| Electronics | 1 |
| Engineering geology | 6 |
| Hydroelectric power stations | 6 |
| Metallurgy | 2 |
| Oil / petroleum | 2 |
| Rail transport | 1 |
| Technology | 15 |
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