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| 定期正常维护保养 | |||
| 小修 | |||
| 日常修理; 定期检修 | |||
| 定期维护 | |||
| 例行检修 | |||
| 日常维修; 定期检査 | |||
| regular maintenance: 5 phrases in 3 subjects |
| Automobiles | 3 |
| Rail transport | 1 |
| Technology | 1 |
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