皮 带传动 : 95 phrases in 15 subjects |
Agriculture | 7 |
Aviation | 2 |
Chemistry | 3 |
Drilling | 9 |
Electric machinery | 2 |
Electronics | 3 |
General | 1 |
Hydroelectric power stations | 1 |
Management | 1 |
Mechanics | 2 |
Metallurgy | 2 |
Oil / petroleum | 5 |
Plastics | 1 |
Shipbuilding | 1 |
Technology | 55 |