废镍 meaning in Chinese

nickel waste

Ni - cd battery recycling technology using high - temperature vacuum distillation
废镍镉电池的真空蒸馏回收技术
The unified identifiers of various batteries , for example , the hazardous waste and the reproducible battery should be declared by the batteries collecting according to their species
宣传用以识别危险废物（废含汞电池、废镍镉电池和废铅酸电池）、可再生电池等各类电池的标识，保证各类废电池的分类收集能够顺利开展。