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| 视力检查 | |||
| 视觉目视检查 | |||
| 目视检査 | |||
| 目测检查 | |||
| 目视检查外观检查 | |||
| 外观检查 | |||
| 观察检査 | |||
| 肉眼检查 | |||
| 目视检查 | |||
| 直观检查; 目视检验; 肉眼检査 | |||
| visual check: 6 phrases in 2 subjects |
| Aviation | 5 |
| Technology | 1 |
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