| |||
| 井底取样 | |||
| 河底取样; 海底采样; 底质取样; 底样采集; 底面采样 | |||
| 底质采样 | |||
|
bottom sampling : 10 phrases in 5 subjects |
| Earth sciences | 1 |
| Engineering geology | 2 |
| Oil / petroleum | 1 |
| Technology | 5 |
| Water resources | 1 |
| |||
| 井底取样 | |||
| 河底取样; 海底采样; 底质取样; 底样采集; 底面采样 | |||
| 底质采样 | |||
|
bottom sampling : 10 phrases in 5 subjects |
| Earth sciences | 1 |
| Engineering geology | 2 |
| Oil / petroleum | 1 |
| Technology | 5 |
| Water resources | 1 |