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

×

MB-8582 GB wear-resistant test machine for shoes

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
This machine is used to test the wear resistance of shoe sole and forming bottom (piece). The rotary grinding wheel is vertically pressed on the specimen and wear test is carried out at a certain load, speed and time to measure the wear mark length.
GB/T 3903.1