 |
| |||
| 气体; 燃煤，天然气; 汽油; 动放排气; 产生气泡 | |||
| gasoline gas: 11 phrases in 5 subjects |
| Automobiles | 2 |
| Management | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 4 |
| Technology | 3 |
|
| |||
| 气体; 燃煤，天然气; 汽油; 动放排气; 产生气泡 | |||
| gasoline gas: 11 phrases in 5 subjects |
| Automobiles | 2 |
| Management | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 4 |
| Technology | 3 |