electric door opener

例句：

1. 1. The new electric door opener is more energy-efficient than the old one.
   新型电动门开启器比旧的更节能。
2. 2. The electric door opener has a remote control that allows you to open and close the door from a distance.
   电动门开启器有一个遥控器，可以让你从远处控制门的开关。
3. 3. The electric door opener is designed to be easy to install and use, making it ideal for busy households.
   电动门开启器设计得易于安装和使用，非常适合忙碌的家庭。