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| 单元系统 | |||
| 联锁系统; 闭塞系统; 安全联锁系统; 闭塞方式; 闭锁系统; 联动系统 | |||
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система блокировки : 22 phrases in 5 subjects |
| Aviation | 2 |
| Electronics | 5 |
| General | 10 |
| Military | 1 |
| Technology | 4 |
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