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gas work internal energy reduction demonstrator teaching aids junior and senior high school physics science experiment instrument teaching demonstration

gas work internal energy reduction demonstrator teaching aids junior and senior high school physics science experiment instrument teaching demonstration

气体做工内能减少演示器教具 初高中物理科学实验仪器 教学演示

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    USD $4.77
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    USD $4.6
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    • 10 piece
  • Item No. 22210
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    size(尺寸) USD $0.0 999 piece available
    10 * 11.5cm(10*11.5CM) USD $0.0 999 piece available
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  • Description

Packaging information

CTN Size: 42 × 32 × 24 cm

G.W./CTN:16 kg

QTY/CTN:24 piece/carton

备注：下单发货时 请联系确认（因现货实时变化）

气体做工内能减少演示器，初高中物理实验必备！直观展示能量转化，

核心卖点：安全耐用、操作简便。

解决课堂抽象难题，提升学习兴趣。

通过国家教育认证，品牌信誉保障。

激发科学探索热情，让物理学习更生动有趣！

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Update time：20251017145210


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