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

×

MB0526 tighten belt fatigue tester

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

1, Tighten belt fatigue testing machine used in elastic belt of sofa backrest and cushion.
2, In the process of repeated use of the elastic change.
3, On the sofa comfort greatly.
4, Through constant tension and relaxation tape.
5, It is possible to estimate the change of the band after long term use.
6, Power supply: 220 V, power = 900 watts.