自拍偷自拍亚洲精品情侣,巨大欧美黑人xxxxbbbb,少妇人妻无码专区在线视频,不卡av中文字幕手机看

×

MB-7683 heat insulation test machine

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
This machine is used to test the heat resistance of shoe soles. After placing the sample shoes on a hot plate at a specified temperature for a certain time, the temperature of the inner surface of the sole is checked.
ISO 20344、GB/T 20991-2007