| 单词 |
automatic sprinkler |
| 释义 |
DictionarySeeasautomatic sprinkler
automatic sprinklerA sprinkler head having a nozzle which is normally closed, but opens when exposed to a predetermined quantity of heat—either by the melting of a fusible element or by the rupturing of a liquid-filled glass bulb.LegalSeeAsFinancialSeefire sprinkler systemAcronymsSeeair speed |
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