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| maintenance and service | |||
| maintenance and repair | |||
| operated service and repair | |||
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维护和修理 : 27 phrases in 9 subjects |
| Automobiles | 2 |
| Aviation | 10 |
| Business | 1 |
| Earth sciences | 2 |
| Economy | 5 |
| Electronics | 2 |
| Shipbuilding | 2 |
| Space | 2 |
| Technology | 1 |
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