door operator meaning in English
门的自动开闭装置
门自动开闭装置
门自动启闭装置
Examples
- Door operator and remote control manufacturers association
遥控门锁制造者协会 - Building hardware - controlled door closing devices - part 4 : automatic swing - door operator
建筑五金.受控门锁.第4部分:带自动旋转叶片驱动的门 - Our company has developed pmsm , the new controller of three - phase asynchronous frequency conversion motor , pmsm matching with the new controller and small elevator door operator without encoder
公司已研发出能控制永磁同步电机；三相异步变频电机最新型的控制器，与此相匹配的门机永磁同步电机及无需编码器的小型化门机。