emergency unit

英 美
  • 备用机件,应急装置
  • emergency n.突发事件;紧急状态adj.应急的;紧急的;备用的
  • unit n.单元;单位;部件;组件
    1. After the door is open, the emergency device will stop operation and waiting for working on recharging statues and return the control task to the elevator.
      开门后,应急装置交回对电梯的控制权,停止运行,恢复到候电状态。