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| стенка сердца | |||
| 心壁: 49 phrases in 9 subjects |
| Drilling | 5 |
| Electronics | 3 |
| General | 8 |
| Geology | 1 |
| Geophysics | 1 |
| Medical | 26 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Technology | 3 |
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