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| 角度可调的 | |||
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adjustable angle : 14 phrases in 7 subjects |
| Compressors | 3 |
| Drilling | 3 |
| Mechanics | 2 |
| Metallurgy | 1 |
| Plastics | 1 |
| Shipbuilding | 1 |
| Technology | 3 |
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