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| 中心支轴承 | |||
| 中间轴承支承 | |||
| 游梁轴承 | |||
| 中心支承 | |||
| center bearing: 20 phrases in 7 subjects |
| Air defense | 1 |
| Automobiles | 3 |
| Bridge construction | 1 |
| Compressors | 1 |
| Computer numerical control | 1 |
| Oil / petroleum | 3 |
| Technology | 10 |
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