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| backfill tamper | |||
| backfill tamper (实机) | |||
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回填夯 : 26 phrases in 9 subjects |
| Architecture | 1 |
| Bridge construction | 5 |
| Drilling | 1 |
| Electronics | 1 |
| Engineering geology | 3 |
| Hydroelectric power stations | 4 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Technology | 8 |
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