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chemicals' concentration
| gradient
| chemical concentration | |
| chem. | 化学选矿 |
| eng.geol. | 化学浓度 |
| gradient | |
| hydroel.st. | 坡度; 比降 |
| met. | 坡 度; 斜率; 斜坡 |
| |||
| 化学选矿 | |||
| 化学浓度 | |||
| 化学选矿法; 化学浓缩; 化学计量浓度 | |||
|
chemicals' concentration : 9 phrases in 3 subjects |
| Oil / petroleum | 1 |
| Technology | 6 |
| Water resources | 2 |
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