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滚动 轴 承 : 95 phrases in 13 subjects |
Automobiles | 34 |
Drilling | 1 |
Electric machinery | 5 |
Electronics | 5 |
General | 1 |
Hydroelectric power stations | 2 |
Mechanics | 1 |
Metallurgy | 6 |
Oil / petroleum | 5 |
Plastics | 4 |
Rail transport | 5 |
Technology | 25 |
Wind Energy | 1 |