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| 四轴承的; 四支点的如曲轴 | |||
| 四道主轴承点支承的 | |||
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four-bearing : 13 phrases in 5 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Metallurgy | 3 |
| Technology | 5 |
| Wind Energy | 2 |
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