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这种电子门控制器,在预先设置的门铃响过一会儿之后,能使一扇门自动打开。控制器是为候车(机)室、办公室而设计的。其设计思想是使正在工作的人员,在他(她)的办工桌上进行开门控制,而不需停止工作去开门接待来访者、病人或顾客。
This electronic door operator enables a door to open automatically after a preset doorbell has been ringing. The controller is designed for waiting room, office. The idea is to have a working person open the door at his (her) work desk without having to stop working to open the door to receive visitors, patients or customers.