成人午夜天,在线看日不卡,亚洲暴爽天天爽日日碰,蜜臀AⅤ色欲av浪潮夜夜嗨

×

MB0531 office chair pendulum impact tester

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list

1, This tester simulates the backrest of chairs and stools in daily use, and the impact resistance of the armrest is resistant to the armrest.
2, This tester uses aluminum profile to make frame. It is beautiful and beautiful.

GB/T 10357.3