观看免费网站,网友自拍露脸国语对白,日本中文版高清视频,国产毛多水多做爰爽爽爽

×

MB-7686 safety shoe compression piercing test machine

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
The safety shoe steel head is placed between the upper and lower pressboards of the machine, then the required pressure is applied, then the steel head subsidence degree is detected, so as to know whether the toe is safe when wearing.
ISO-20344、GB/T20991-2007、CNS6863、CSA、ANSI、EN344、QAS