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-8661 leather tolerance test machine

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
This machine is used for testing at room temperature leather uppers, lining, cloth or bag materials, flexible test to test the resistance of the end surface as the inner side, the other end is on the outside, back and forth from specimen bending to damage, the number of records; or set the number of bends, and then removed to observe the extent of the damage.
CNS-7705、JIS-K6546、BS-3144