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模 具 组 : 37 phrases in 10 subjects |
| Automobiles | 1 |
| Drilling | 4 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Plastics | 19 |
| Polymers | 1 |
| Shipbuilding | 1 |
| Technology | 5 |
| Wind Energy | 1 |
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