如果房子需要重新进行安装，先更换电动伸缩门再进行下一步的安装，因为在拆窗过程中会破坏室内外的墙体，因此先更换电动伸缩门再安装能减轻对房屋墙体的破坏。
If
the house needs to be reinstalled, replace the electric expansion door
first before proceeding with the next step of installation, as removing
the windows can damage the indoor and outdoor walls. Therefore,
replacing the electric expansion door first before installing can reduce
the damage to the house walls.
电动伸缩门选购需谨慎
Be cautious when purchasing electric retractable doors
电动伸缩门型材的品质将决定整个电动伸缩门的档次、密封性和抗老化性等问题。
The
quality of the profile of the electric telescopic door will determine
the grade, sealing and aging resistance of the entire electric
telescopic door.
电动伸缩门变黄需留意
Attention should be paid when the electric telescopic door turns yellow
当发现塑料电动伸缩门的外观颜色过白或发灰，说明其材质内的稳定成分不够，时间长了容易老化变黄，购买前要多多留意。
When
the appearance color of the plastic electric telescopic door is found
to be too white or gray, it indicates that the stable components in the
material are not enough, and it is easy to age and turn yellow over
time. It is important to pay more attention before purchasing.
电动伸缩门配件需检查
Electric telescopic door accessories need to be inspected
要对电动伸缩门的五金配件进行检查，推拉窗窗框下部应有铝滑轨，方便其更换，窗扇的密封毛条中间应有固定片，这是推拉窗密封性好坏的关键。
To
inspect the hardware accessories of the electric retractable door,
there should be aluminum slide rails at the bottom of the sliding window
frame for easy replacement, and a fixed piece should be installed in
the middle of the sealing strip of the window sash, which is the key to
the sealing performance of the sliding window.