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| 增压系统 | |||
| 耐压系统 | |||
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pressurized system : 21 phrases in 7 subjects |
| Animal husbandry | 1 |
| Automobiles | 2 |
| Aviation | 1 |
| General | 1 |
| Space | 7 |
| Technology | 8 |
| Water resources | 1 |
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