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| 开盘磁带 | |||
| 卷尺; 纺车式卷尺 | |||
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reel tape : 13 phrases in 8 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Chemistry | 4 |
| Information technology | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Technology | 1 |
| Telecommunications | 2 |
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