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能源效率

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Tagged Articles (2)

Sweet breezes matter. This friendly guide explains the electric fan for families: its history, how it cools skin, main household types, energy use, child safety features, and easy experiments that spark curiosity. 儿童科学

家庭电风扇：凉爽历史、工作原理和安全提示

轻柔的微风很重要。这本友好的指南解释了家…

Alexandra Hochee

Alexandra Hochee

16 4 月, 2026 •
1 分钟阅读
The electric kettle for families hums, clicks, and teaches cause and effect. Learn its history, how it works, safety tips, and buying advice. A tiny kitchen teacher with a big heart. 发明

电热水壶：厨房里的小老师

家庭电热水壶嗡嗡作响，咔嗒一声，教会因果…

Jaikaran Sawhny

Jaikaran Sawhny

24 3 月, 2026 •
1 分钟阅读

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