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-7698 submental strength tester under safety cap

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
It is specially designed to detect the strength of the submental belt under the safety cap.
《GB/T2811-2007 safety hat》
《GB/T2812-2006 test method for safety helmet》
1. The standard 1# head model, with stable support, is used with the simulated artificial chin.
2. The head die is connected with high precision pressure sensor.
3. LED digital display each stage of the force value.