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| вспомогательная тяга сцепления паровоза с тендером (蒸汽机车与煤水车的中间牵引装置) | |||
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安全杆 : 25 phrases in 7 subjects |
| Aviation | 3 |
| Drilling | 2 |
| Electronics | 1 |
| Environment | 1 |
| Forestry | 1 |
| General | 11 |
| Technology | 6 |
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