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| двойная пробивка; многократная пробивка; повторная перфорация; последующая перфорация | |||
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复穿孔 : 24 phrases in 8 subjects |
| Computers | 1 |
| Electronics | 1 |
| General | 4 |
| Information technology | 7 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Patents | 1 |
| Technology | 8 |
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