automatic fire pump meaning

• [Architecture]
  

  A pump which provides the required water pressure in a fire standpipe or sprinkler system; when the water pressure in the system drops below a preselected value, a sensor causes the pump to start, and to stop the pump when the pressure is restored.

• 
  [Mechanical engineering]
  "A pump which provides the required water pressure in a fire standpipe or sprinkler system, when the water pressure in the system drops below a preselected value, a sensor causes the pump to start."

• "automatic fire pump" meaning in Chinese: 自动灭火泵
• "automatic fire pump" meaning in Japanese: automatic fire pump 自動調節消火ポンプ[機械]