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| 循环校验; 周期检査 | |||
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| 定期检查; 定期检验 | |||
| 循环周期校验 | |||
| 循环检验 | |||
| 循环校验 | |||
| 周期检査 | |||
| cyclical check: 28 phrases in 11 subjects |
| Automobiles | 2 |
| Aviation | 1 |
| Computers | 2 |
| Electronics | 10 |
| Geophysics | 1 |
| Information technology | 4 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Multimedia | 1 |
| Project management | 2 |
| Technology | 3 |
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