fire damper

短语

词形变化

fire dampers 复数 fire dampers

别名

firedamper

释义与例句

n.
  1. 1.

    A passive fire protection product used in heating, ventilation, and air conditioning ducts.

  2. 2.

    A damper which closes off an air duct automatically in the event of fire so as to restrict the passage of fire and smoke.

  3. 3.

    A mine worker who detects and clears a mineshaft of firedamp by intentionally burning or blowing it up.

    古体 历史 商务 采矿

    Jack is a former fire damper who was injured in an explosion.