无码成人一区二区三区入厕偷拍,国产精品毛片一区二区三区,揉捏新婚少妇高耸的双乳,免费高清理伦片A片在线观看

×

MB-6652 shoe material testing machine (color transfer test machine)

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
This machine is used to test the change of the sole and shoe color of all kinds of leather and cloth shoe material after heat. After the prescribed temperature and time are uniformly heated, the color, color penetration and other properties of the specimens and PVC sheets and fiber cloth are observed before and after aging.