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

×

MB3306 test machine for bumping and grinding of suitcase

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
This test machine is used to test whether the traveling wheel and the traveling bag of wheels and wheels have any damage and deformation on the wheels and wheel shafts, and whether the whole structure of the box is damaged or not. The test results can be improved for reference.
B method in QB/T 2920