 |
| |||
| lithic drainage | |||
| groundwater flow system; subsurface drainage; subterranean drainage; underground drainage | |||
| 地 下水 系: 60 phrases in 9 subjects |
| Animal husbandry | 2 |
| Earth sciences | 1 |
| Engineering geology | 9 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Mining | 1 |
| Refrigeration | 2 |
| Sports | 1 |
| Technology | 41 |
| Water resources | 2 |