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| keypad; numeric keyboard | |||
| digital keyboard; numerical keyboard | |||
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数 字键盘 : 13 phrases in 8 subjects |
| Aviation | 1 |
| Computers | 2 |
| Electronics | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 2 |
| Telecommunications | 4 |
| Textile industry | 1 |
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