demonstration electromagnetic relay teaching aids junior and senior high school optical physics science experiment science and education instrument_青华科教仪器有限公司

demonstration electromagnetic relay teaching aids junior and senior high school optical physics science experiment science and education instrument

demonstration electromagnetic relay teaching aids junior and senior high school optical physics science experiment science and education instrument

演示电磁继电器教学教具初高中光学物理科学实验科教仪器

10 piece

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Specifications		Stock	Quantity
size(尺寸)	USD $0.0	999 piece available
1610 8cm(16108CM)	USD $0.0	999 piece available

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Packaging information

CTN Size: 62 × 32 × 49 cm

G.W./CTN:22 kg

QTY/CTN:80 piece/carton

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这款电磁继电器教具专为初高中光学物理教学设计，核心卖点包括直观演示电磁原理、安全耐用材质。

优势在于提升实验效率，解决传统教具操作复杂、学生理解困难等痛点。

通过国家教育认证，品牌信誉保障。

激发学生科学兴趣，培养动手能力，让物理学习更生动有趣。

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Update time：20251023103525