自拍偷自拍亚洲精品情侣,巨大欧美黑人xxxxbbbb,少妇人妻无码专区在线视频,不卡av中文字幕手机看

×

Button impact test machine

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
It is suitable for various buttons with a diameter of 10mm and above, which is used to test the resistance of buttons to impact during the production and use of clothing.
GB/T 22704-2008 test method of button strength
1. High precision bearing with small resistance.
2. The seat is beautiful and smooth through the paint.
3. The installation of the sample is simple and convenient.