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V Carbon Zinc Battery, Very Simply Accessible from side.
9V碳锌电池供电, 侧边取换电池,安装简单方便.
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Extraction technology of manganese and zinc from obsolescent alkaline cell and carbon - zinc battery was studied.
研究了废碳锌电池和碱性电池中金属锌和金属锰的回收.
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