| |||
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 |