无码中文字幕久碰久_少妇无码强迫久久猛男广东_国产蜜臀AV无码一区亚洲_国产免费一区二区三区在线能观看

×

MB3312 fatigue test machine for children's straps

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
The test machine is analogous to the childrens backpack and jumping to test the service life of the backpack. It is the machine for manufacturing the quality of the package enterprises to detect the quality of the products.
EN 13209 2005