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| 修正错误 | |||
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| 矫正误差 | |||
| 矫正差误 | |||
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correct errors : 7 phrases in 6 subjects |
| Bridge construction | 1 |
| Economy | 2 |
| Finances | 1 |
| General | 1 |
| Space | 1 |
| Technology | 1 |
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