伞齿 轮: 125 phrases in 15 subjects |
Agriculture | 1 |
Architecture | 1 |
Automobiles | 1 |
Aviation | 1 |
Business | 1 |
Construction | 3 |
Drilling | 4 |
Electronics | 2 |
General | 3 |
Metallurgy | 6 |
Oil / petroleum | 8 |
Plastics | 1 |
Steel production | 1 |
Technology | 88 |
Wind Energy | 4 |