 |
| |||
| random copolymers | |||
| non-regular copolymer | |||
| random copolymer | |||
|
无规共聚物 : 10 phrases in 4 subjects |
| Oil / petroleum | 4 |
| Plastics | 1 |
| Polymers | 4 |
| Technology | 1 |
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