air compression ignition instrument air work thermal energy mechanical energy junior and senior high school physics teaching aids science and education instruments

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air compression ignition instrument air work thermal energy mechanical energy junior and senior high school physics teaching aids science and education instruments 中文版

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¥25.0
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¥24.5
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¥24.0
≥100/piece

2 piece

Item No. 22203

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mixed batch	¥0.0	999 piece available

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Qinghua science instruments 14yr.

Main Products:

Human model human organ model animal plant specimen model human skeleton teaching equipment biological model

Contacts:

zhengChat

Mobile:

86-13750965003

E-mail:

2403396147@qq.com

WeChat:

13750965003

Address:

Ningbo Qinghua Science and Education Instrument Co.， Ltd.， No. 9， Zhushan North Road， Taoyuan Street， Ninghai county， Ningbo city， Zhejiang province,Yiwu City,Jinhua City City,Zhejiang Province

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备注：下单发货时请联系确认（因现货实时变化）

空气压缩引火仪,包括连接在底座上的透明缸体,缸体中设有压杆,压杆的一端穿过盖与压帽相连,压杆的另一端固定有与缸体匹配的活塞,可上下活动的压杆与活塞的顶端相连,缸体上设置有穿过缸体的放料孔,缸体的底端设置有换气阀门.本实用新型的有益效果:由于管的上端开一个直径为5mm左右的放料孔,不用打开盖子,将活塞提到小孔位置这上,就能向小孔中投放铅皮裹着.....,多次实验后再将铅皮倒出即可,放料孔还能起到保证试验安全的作用,用的...稍多时,也只能听到放料孔泄气时的轻微爆破声,不再对盖造成冲击. undefined

Update time：20241104093415