a fire-extinguishing system consisting of a series of nozzles installed in the ceilings of a building that release water in response to the presence of smoke or a rise in temperature
| 单词 | sprinkler system |
| 释义 | sprinkler systemnouna fire-extinguishing system consisting of a series of nozzles installed in the ceilings of a building that release water in response to the presence of smoke or a rise in temperature |
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