大地资源第三页中文,东京热无码中文人妻,亚洲日韩国产乱码欧美麻豆,精品一区二区三区在线观看

×

MB-7684 cold proof test machine

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
This machine is used to test the cold proof situation of footwear.
Fix the thermocouple in the center of the insole and the shoes are filled with steel beads. Refrigerator cooling to 20 DEG C, into the shoes, let the shoes on the edge of the adjusting bracket and the insulation box opening, and then to open the freezer insulation board will seal. Finally, record the change of the insole temperature in 30 minutes with time.