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| 直角杠杆; 曲杆拐 | |||
| crank bell: 33 phrases in 10 subjects |
| Automobiles | 5 |
| Aviation | 5 |
| Mechanic engineering | 3 |
| Mechanics | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Rail transport | 1 |
| Technology | 11 |
| Textile industry | 2 |
| Wind Energy | 1 |
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