geometrical model recommend teacher demonstration transparent and diaphanous volume calculation primary school mathematics teaching aids sales_青华科教仪器有限公司

geometrical model recommend teacher demonstration transparent and diaphanous volume calculation primary school mathematics teaching aids sales

geometrical model recommend teacher demonstration transparent and diaphanous volume calculation primary school mathematics teaching aids sales

几何形体模型推荐教师演示用透明透光体积计算小学数学教具处销

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Packaging information

CTN Size: 42 × 32 × 48 cm

G.W./CTN:8 kg

QTY/CTN:2 set/carton

注意：下单确认交货时间（因现货实时变化）

几何形体模型教师演示优选！高精度ABS材质，安全耐用，直观展示立体概念，解决教学抽象难题。

通过CE认证，品牌信誉保障，激发学生学习兴趣，提升课堂互动效果。

Update time：20250901131958