call bell system meaning in English
呼唤系统
呼叫系统
Examples
- The rehabilitation center is equipped with a complete and perfect intellectualized system : telephone , broadband access , cable tv , and emergency call bell system are installed for each nursing bed
康复中心内智能化系统设计完善，电话、宽带、有线电视、紧急呼叫等设施配备到床。