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| ανακουφιστική βαλβίδα; βαλβίδα ελέγχου πίεσης | |||
| pass valve: 14 phrases in 5 subjects |
| Agriculture | 1 |
| Earth sciences | 2 |
| Electronics | 1 |
| General | 1 |
| Mechanic engineering | 9 |
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