 |
| |||
| rougher flotation; roughing | |||
| crude grading; rough sizing | |||
| grab picking; rough concentration; rough dressing; rough separation | |||
| |||
| roughing | |||
| 粗 选: 48 phrases in 8 subjects |
| Agriculture | 5 |
| Animal husbandry | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 2 |
| Metallurgy | 6 |
| Mineral processing | 1 |
| Oil / petroleum | 2 |
| Technology | 28 |