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| 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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