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下井仪器
| 电源
| 下井仪器 | |
| oil | downhole instrument; downhole probe |
| 电源 | |
| econ. | power sources |
| el.mach. | power supply |
| met. | current source; main power; source of power; source of voltage |
| |||
| downhole instrument; downhole probe | |||
| 下井仪器: 14 phrases in 5 subjects |
| Drilling | 3 |
| Geophysics | 1 |
| Navigation | 1 |
| Oil / petroleum | 7 |
| Technology | 2 |
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