 |
| |||
| 酸性矿坑水 | |||
| 矿山酸性废水 | |||
| 酸性矿物排放; 酸性矿山排水; 矿山酸性排水 | |||
| |||
| 酸性矿山坑水; 酸性矿山废水; 矿山酸性排水 | |||
| acid- mine drainage: 7 phrases in 3 subjects |
| Engineering geology | 2 |
| Technology | 3 |
| Water resources | 2 |
|
| |||
| 酸性矿坑水 | |||
| 矿山酸性废水 | |||
| 酸性矿物排放; 酸性矿山排水; 矿山酸性排水 | |||
| |||
| 酸性矿山坑水; 酸性矿山废水; 矿山酸性排水 | |||
| acid- mine drainage: 7 phrases in 3 subjects |
| Engineering geology | 2 |
| Technology | 3 |
| Water resources | 2 |