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| 测量仪表的检验读数 | |||
| 支票交易; 经营支票贴现 | |||
| check reading: 19 phrases in 7 subjects |
| Computers | 1 |
| Electronics | 2 |
| Geophysics | 1 |
| Metallurgy | 1 |
| Space | 1 |
| Technology | 12 |
| Telecommunications | 1 |
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