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5年级科学 练习 电

电源来自发电厂产生的电力,通过电网输送到家庭。文档介绍如何安全使用电器,不要触摸电线,插头要完全插入插座等。

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Gabriel Wong
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1K views1 page

5年级科学 练习 电

电源来自发电厂产生的电力,通过电网输送到家庭。文档介绍如何安全使用电器,不要触摸电线,插头要完全插入插座等。

Uploaded by

Gabriel Wong
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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电源从哪里来？

元件名称

元件符号

功能

如何安全使用电器？

1._______________________________________________________________

2._______________________________________________________________

3._______________________________________________________________

4._______________________________________________________________

5._______________________________________________________________

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