英语词汇“fire shutter”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	fire shutter
释义	fire shutter fire shutter A metal shutter (including frame and hardware) which has a fire-endurance rating required by code. The required rating depends on the location and nature of the window or opening in which it is installed.
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