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| optic reader; optical reader; optic reading equipment; optical reading equipment | |||
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光学阅读器 : 16 phrases in 7 subjects |
| Automobiles | 2 |
| General | 1 |
| Librarianship | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Technology | 7 |
| Telecommunications | 2 |
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