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| 固体推进剂发动机; 固体燃料发动机固体推进剂发动机 | |||
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| 固体燃料发动机; 固体推进剂发动机 | |||
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твердотопливный двигатель : 10 phrases in 4 subjects |
| Aviation | 4 |
| General | 3 |
| Military | 1 |
| Technology | 2 |
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