人体耳朵鼓膜耳膜原理制作材料模型小学科学声学鼓膜震动声传播 黄色
$1.03
Cross-border shipping calculated at checkout · delivery window shown per route
Shipping estimate
Checking shipping rates...
30-day returns
·
Secure checkout
·
Tracked cross-border delivery
人体耳朵鼓膜耳膜原理制作材料模型小学科学声学鼓膜震动声传播 黄色
| 颜色(Color) | yellow |
| 尺寸(Size) | 13.5cmx8.8cmx6.5cm |
| (Size(US)) | 5.31inchx3.46inch |
| 材质(Material) | pp |
| 年龄层(Age Level) | 8-11 Years |
| 年份(Year) | Human Ear Tympanic Membrane Model |
| 制造国家/地区(Country/Region of Manufacture) | China |