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| 聚乙烯醇缩甲酸 | |||
| 聚乙烯醇缩甲醛 | |||
| 聚乙烯醇缩甲醛〈现用〉; 聚乙烯醇缩甲醛〈过去用〉 | |||
| 聚乙烯缩甲醛 | |||
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polyvinyl formal : 6 phrases in 5 subjects |
| Chemistry | 1 |
| Electric machinery | 1 |
| General | 1 |
| Plastics | 2 |
| Textile industry | 1 |
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