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重量含量 : 30 phrases in 9 subjects |
| Aviation | 1 |
| Earth sciences | 2 |
| Engineering geology | 3 |
| Fishery fishing industry | 1 |
| Geophysics | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Technology | 18 |
| Textile industry | 1 |
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