主齿轮 : 153 phrases in 17 subjects |
Agriculture | 2 |
Architecture | 1 |
Automobiles | 34 |
Aviation | 2 |
Business | 1 |
Chemistry | 1 |
Compressors | 3 |
Computer numerical control | 2 |
Electric machinery | 3 |
General | 1 |
Mechanic engineering | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Space | 3 |
Technology | 93 |
Wind Energy | 3 |