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sun wheel | |||
center wheel | |||
center gear | |||
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sun |
中心 轮 : 74 phrases in 17 subjects |
Agriculture | 2 |
Automobiles | 28 |
Bridge card game | 2 |
Cycling other than sport | 1 |
Drilling | 2 |
Earth sciences | 1 |
Electric machinery | 1 |
Electronics | 1 |
General | 2 |
Mechanic engineering | 1 |
Metallurgy | 2 |
Nursing | 1 |
Racing and motorsport | 1 |
Space | 1 |
Technology | 25 |
Telecommunications | 1 |
Wind Energy | 2 |