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事物特性表.原电池
Tabular layouts of article characteristics Primary cells
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扣式电池组装线
Assembly line of button cells
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无汞碱性锌-二氧化锰电池用锌粉
Zinc powder for mercury-free alkaline zinc-manganese dioxide battery
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R40型锌-锰干电池
Zinc-manganese dry battery type R40
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废电池分类
Classification of used batteries
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