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| 一次通过系统; 非循环系统 | |||
| 直流系统【核】 | |||
| 直流系统; 贯流洪水系统 | |||
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прямоточная система : 7 phrases in 3 subjects |
| Construction | 3 |
| General | 1 |
| Technology | 3 |
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