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| 机械接触式的 | |||
| mechanical type: 43 phrases in 15 subjects |
| Advertising | 1 |
| Architecture | 1 |
| Automobiles | 2 |
| Aviation | 1 |
| Business | 1 |
| Chemistry | 2 |
| Compressors | 2 |
| Drilling | 1 |
| Geophysics | 1 |
| Metallurgy | 5 |
| Nautical | 1 |
| Oil / petroleum | 3 |
| Refrigeration | 1 |
| Space | 1 |
| Technology | 20 |
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