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| 缺油的; 未经油润滑的 | |||
| 未经油润的 | |||
| 未经润滑的 | |||
| 无油的; 不需加油的 | |||
| oilless: 32 phrases in 8 subjects |
| Agriculture | 2 |
| Automobiles | 6 |
| Compressors | 1 |
| Electric machinery | 2 |
| Electronics | 2 |
| Metallurgy | 6 |
| Refrigeration | 1 |
| Technology | 12 |
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