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| смола ПВХ | |||
| поливинилхлоридная смола; полихлорвиниловая смола; игелит | |||
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聚氯乙烯树脂 : 5 phrases in 4 subjects |
| Chemistry | 1 |
| General | 1 |
| Oil processing plants | 1 |
| Technology | 2 |
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