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| hard spot (контактной сети) | |||
| hard spot (контактной сети) | |||
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| rough spots (контактной сети) | |||
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жёсткие точки : 6 phrases in 5 subjects |
| Clinical trial | 1 |
| Programming | 1 |
| Rail transport | 2 |
| Technology | 1 |
| Tribology | 1 |
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