| 单词 | fire door | 
| 释义 | fire doornoun1   : the door or opening through which fuel is supplied to a furnace or stove   2   : a fire-resistive door    specifically : an automatic door secured in the open position by a fusible link or thermostatically operated device designed to release the door under the influence of heat and permit its closing by gravity or by weights or other contrivances  | 
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