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| 光老花; 光致老化 | |||
| 光致老化 | |||
| 光时效; 光老化 | |||
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| 光致陈化用光照促使陈化 | |||
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light ageing : 5 phrases in 3 subjects |
| Plastics | 3 |
| Polymers | 1 |
| Technology | 1 |
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