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| 取土管试样 | |||
| 管装土样 | |||
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tube sample : 23 phrases in 8 subjects |
| Construction | 1 |
| Drilling | 1 |
| Electronics | 5 |
| Engineering geology | 3 |
| Metallurgy | 3 |
| Oil / petroleum | 2 |
| Space | 1 |
| Technology | 7 |
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