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| differential pressure: 52 phrases in 15 subjects |
| Automobiles | 2 |
| Aviation | 1 |
| Chemistry | 5 |
| Coal | 1 |
| Computer numerical control | 1 |
| Earth sciences | 8 |
| Food industry | 1 |
| Industry | 1 |
| Information technology | 6 |
| Measuring instruments | 3 |
| Mechanic engineering | 7 |
| Medical | 4 |
| Natural sciences | 2 |
| Technology | 6 |
| Transport | 4 |
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