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法线面 : 59 phrases in 13 subjects |
| Bridge construction | 1 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Engineering geology | 3 |
| General | 1 |
| Hydrology | 1 |
| Metallurgy | 4 |
| Oil / petroleum | 3 |
| Plastics | 1 |
| Refrigeration | 1 |
| Technology | 40 |
| Wind Energy | 1 |
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