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箍套 : 92 phrases in 12 subjects |
| Agriculture | 1 |
| Bridge construction | 5 |
| Drilling | 22 |
| Earth sciences | 1 |
| Ecology | 1 |
| Engineering geology | 3 |
| General | 1 |
| Geophysics | 17 |
| Mechanics | 2 |
| Metallurgy | 4 |
| Oil / petroleum | 16 |
| Technology | 19 |
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