英语词汇“class-e door”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	class-e door
释义	class-E door class-E door A door having a ¾-hr fire-endurance rating, suitable for use as a closure in a class-E opening in an exterior wall.
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class-E door