筛 选 机 : 33 phrases in 12 subjects |
Agriculture | 4 |
Animal husbandry | 4 |
Aviation | 1 |
Chemistry | 1 |
Earth sciences | 1 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Genetics | 1 |
Pulp and paper industry | 1 |
Technology | 13 |
Telecommunications | 2 |
Wood processing | 3 |