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| show of oil and gas; showing; shows | |||
| shows of gas and oil; shows of oil and gas | |||
| show of gas and oil | |||
| showing of oil and gas | |||
| 油气显示: 26 phrases in 6 subjects |
| Drilling | 7 |
| Earth sciences | 2 |
| Geology | 9 |
| Mechanics | 1 |
| Oil / petroleum | 5 |
| Technology | 2 |
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