三a视频在线观看日本_在线看黄av网站免费观看_久久午夜理论电影_日韩精品无码免费专区午夜不卡

×

MB3310 GB bag wear tester (Double roll)

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
This test method for testing rod box, with wheels with a pull rod in a bag loaded down with the overall structure of the wheel wear proof degree and walking box without damage and deformation (also applies to bags at the bottom of the four wheels test).
QB/T 2920 2007