国产无遮挡又黄又爽在线视频,国产亚洲成AV人片在线观看,伊伊人成亚洲综合人网7777,中文有码vs无码人妻

×

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.