丰满少妇aaaaaa爰片毛片,久久久久亚洲精品无码蜜桃,免费大片av手机看片,无码精品a∨在线观看中文

×

MB0544 chair swing test machine

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

This machine is used to imitate the chair is not used correctly, the chair often forward or backward, the test chair of life, can be produced for the production of chair manufacturers test the service life of the product, to improve product quality, strengthen the competitiveness of products in the same industry, to win the trust of customers, products quality assurance tool.