观察窗铰链轴套及观察窗铰链无变形或断裂现象

观察窗铰链轴套及观察窗铰链无变形或断裂现象

Kết quả (Anh) 1:

An observation window and an observation window hinge bushing of the hinge without deformation or breakage

Kết quả (Anh) 2:

Observe the window hinge bushing and observe the window hinge without deformation or breakage

Kết quả (Anh) 3:

There is no deformation or fracture on the hinge sleeve and hinge of the observation window