door opener

基本解释

First: garage door opener --- a decade ago, remote control garage door into China, the earliest complete import, install and service domestic only.
其一：车库门开门机---在十多年前，遥控车库门流入中国，最早是成套进口，国内只安装和售后服务。
Wal-Mart is taking steps to improve U. S. operations, with its high-profile move to open a second store in Chicago seen as a potential door opener to other urban markets.
沃尔玛正采取步骤，改善美国业务，其高调的举动，公开在芝加哥第二家商店作为一个潜在的门开启到其他城市市场出现。
The company specializes in producing series of electric telescopic Door Opener, series electric roller shutter door machine, garden motors, mill motors and energy-efficient motor bike.
本公司专业生产系列电动伸缩门开门机、系列电动卷帘门机、园林电机、粉碎机电机及电动自行车节能型电机。

The instructions could come from the outside--like a computer that acts as a garage-door opener--letting the drugs out of the reservoir.
FORBES: Magazine Article
Master Lock sells a garage-door opener with a built-in fingerprint scanner, the Kwikset SmartScan Deadbolt will open up your front door with another finger swipe and Schlage's LiNK door locks allow owners to give anyone access to their home by punching a code into a computer keyboard or mobile phone's keypad.
FORBES: Magazine Article
But that is only the door opener for a much-larger eventual market.
FORBES: Wine and Rosy Chinese Prospects