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| 压井液 | |||
| 控制液体 | |||
| control fluid: 34 phrases in 13 subjects |
| Automobiles | 2 |
| Aviation | 4 |
| Chemistry | 1 |
| Compressors | 1 |
| Drilling | 4 |
| Electronics | 2 |
| General | 2 |
| Mechanics | 1 |
| Metallurgy | 4 |
| Mining | 1 |
| Oil / petroleum | 3 |
| Space | 5 |
| Technology | 4 |
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