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| 浮动环; 浮环 | |||
| 漂浮环 | |||
| 悬浮钢领; 空气轴承钢领 | |||
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floating ring : 19 phrases in 10 subjects |
| Automobiles | 1 |
| Chemistry | 1 |
| Compressors | 4 |
| Electric machinery | 1 |
| Electronics | 2 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 6 |
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