Current location - Education and Training Encyclopedia - University rankings - How to repair the chair that inclines downward in the ladder classroom?
How to repair the chair that inclines downward in the ladder classroom?
Sit directly on the cross section.

Due to long-term extrusion, it will be worn first, crushed by extrusion, forming plastic slag, or moving up as a whole. Due to the damage of the pneumatic rod, it will deviate to the left or right.

Notify the repairman and change seats. This is the most fundamental way.