径向 轴 承 : 50 phrases in 14 subjects |
Automobiles | 11 |
Aviation | 1 |
Compressors | 3 |
Drilling | 2 |
Electric machinery | 3 |
Electricity | 1 |
Electronics | 2 |
Hydroelectric power stations | 3 |
Metallurgy | 2 |
Oil / petroleum | 3 |
Shipbuilding | 1 |
Space | 2 |
Technology | 13 |
Wind Energy | 3 |