self-made metal stethoscope technology small production kindergarten science experiment diy toys small invention creative stem_金华市航达科教用品有限公司

self-made metal stethoscope technology small production kindergarten science experiment diy toys small invention creative stem

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self-made metal stethoscope technology small production kindergarten science experiment diy toys small invention creative stem

自制金属听诊器科技小制作幼儿园科学实验DIY玩具小发明创意stem

EXW Price: Min. order:

¥15.02
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¥15.01
≥10/set

¥15.0
≥1000/set

3 set

Exchage Rate 1 CNY ≈ 0.1417 USD
Stock num 10000 set

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Description

品名：KX1939 金属听诊器
货号：KX1939
尺寸：750*70*20mm
听头：铝合金直径：47mm
耳挂：铝合金长度：170mm
管子：PVC 长度：600mm
全长：750mm
重量：约100g
材质：铝合金+管子+塑料配件....
颜色：原色
是否使用电池：否
装箱： 500pcs
箱规：600*450*550mm

听诊器主要由拾音部分（胸件），传导部分（胶管）及听音部分（耳件）组成。其作用就是传音噻，把病人心跳之类的身体内部声音放大传送到医生耳朵里。听诊器类型的类型众多，听诊器类型目前有单用听诊器、双用听诊器、三用听诊器、立式听诊器、多用听诊器以及最新出现的电子听诊器，颜色也有多种颜色可选。一般由听头的不同组合分成多种类型。接下我们来一起安装听诊器了解他的原理吧！

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