老化降解
- n.degradation with aging
 - 网络degradation with ageing
 
老化降解老化降解
degradation with aging
Gradat... ... aerobic biodegradation 曝气生物降解《环保》 degradation with aging 老化降解 hydrolytic degradation 水解降解 ... 
                degradation with ageing
化工引擎_词典查询... ... 热降解、 thermal degradation 老化降解、 degradation with ageing 笼体降解、 cage degradation ... 
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