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Using electricity

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轉寄 列印
第1級人氣樹(0)
人氣指樹
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內容簡介top Using Electricity 簡介 "This book looks at electricity examining what they are, the different types of batteries, and how we use them. The book considers a range of examples that will be familiar to young readers, and explains the scientific concepts behind batteries and electricity in clear, simple language."

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