bottom characteristics
| sampling
| bottom characteristic abbr. | |
| tech. | 河床特征; 河床特性; 水底特性 |
| sampling abbr. | |
| econ. | 示范 |
| hydroel.st. | 采样 |
| hydroel.st. од. | 取样; 抽样 |
| IMF. | 抽样法 |
| tech. | 样本化; 进样; 取土样 |
| textile | 签封样品; 提供样品 |
| |||
| 河床特征; 河床特性; 水底特性 | |||
| |||
| ★ 底质 | |||
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bottom characteristics : 5 phrases in 5 subjects |
| Drilling | 1 |
| Earth sciences | 1 |
| Oil / petroleum | 1 |
| Surveying | 1 |
| Technology | 1 |