观察窗开关门顺畅，门钩无撞微延时现象。

观察窗开关门顺畅，门钩无撞微延时现象。

Kết quả (Anh) 1:

Smooth viewing window door, door hook free hit micro stuttering.

Kết quả (Anh) 2:

Observe the window switch door smooth, door hook no collision micro-delay phenomenon.

Kết quả (Anh) 3:

The opening and closing of the observation window shall be smooth, and the door hook shall not collide with the micro delay phenomenon.