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| 电位电极子测井 | |||
| 电位电极系测井 | |||
| normal log: 19 phrases in 9 subjects |
| Business | 1 |
| Earth sciences | 4 |
| International Monetary Fund | 1 |
| Marketing | 1 |
| Oil / petroleum | 3 |
| Securities | 1 |
| Statistics | 1 |
| Technology | 6 |
| Wind Energy | 1 |
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