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| gaseous nitrogen system (空间环境模拟器中的) | |||
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气 氮 系统 : 21 phrases in 7 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Earth sciences | 3 |
| Electronics | 9 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Space | 5 |
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