 |
| |||
| absorbent formation; permeable formation; absorbent ground | |||
| permeable strata | |||
| 渗透性地层: 3 phrases in 2 subjects |
| Oil / petroleum | 2 |
| Technology | 1 |
|
| |||
| absorbent formation; permeable formation; absorbent ground | |||
| permeable strata | |||
| 渗透性地层: 3 phrases in 2 subjects |
| Oil / petroleum | 2 |
| Technology | 1 |