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| Chinese | English |
| 排放控制系统催化剂退化性能降低 | degradation of catalyst efficiency |
| 光致退化衰减 | light degradation |
| 可锻化退火 | malleablizing |
| 时效退化 | aged deterioration |
| 石墨化退火 | graphitizing treatment |
| 稳定化退火 | stabilizing annealing |
| 退恶化 | degrade |
| 退化失效见 GB/T 2900.13-2008 中 19-04-22 | degradation failure |