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| этилен-тетрафторэтилен; ЭТФЭ | |||
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乙烯 四氟乙烯 : 42 phrases in 7 subjects |
| Aviation | 2 |
| Chemistry | 1 |
| Electronics | 6 |
| General | 11 |
| Medical | 2 |
| Oil processing plants | 3 |
| Technology | 17 |
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