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| polymethacrylamide | |||
| polymethylacrylamide | |||
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聚甲基 丙烯酰胺 : 12 phrases in 6 subjects |
| Chemistry | 1 |
| Drilling | 1 |
| Oil / petroleum | 2 |
| Plastics | 1 |
| Polymers | 2 |
| Water resources | 5 |
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