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| mineral pollution | |||
| mineral pollution Pollution deriving from all classes of mining operations and having an adverse effect on aquatic life, water supplies and the recreational use of waters (污染源于各类采矿业务，对水生生物、供水和水的休养使用产生不利影响。) | |||
| 矿物污染: 3 phrases in 2 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Technology | 2 |