| |||
unsorted | |||
unclassified | |||
stepless; ungraded | |||
| |||
unsorted |
不分级的 : 17 phrases in 9 subjects |
Animal husbandry | 2 |
Economy | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 4 |
Hydroelectric power stations | 3 |
Management | 2 |
Project management | 1 |
Technology | 2 |
Wind Energy | 1 |