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| 穿孔卡系统 | |||
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| 穿孔卡片系统 | |||
| 穿孔卡系统 | |||
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| 穿孔卡片系统; 穿孔卡控制系统 | |||
| English thesaurus | |||
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| PCS (PC) | |||
| punched card system: 4 phrases in 2 subjects |
| Mathematics | 3 |
| Metallurgy | 1 |
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