英语词汇“hollow-metal fire 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	hollow-metal fire door
释义	hollow-metal fire door hollow-metal fire door A hollow-metal door fabricated of sheet steel, No. 20 gauge or heavier, and filled with an approved fire-proof insulating material.
随便看	pfgs pfgse pf-gspn pfgste pfgsv pfgw pfh pfh-3 pfha pfhb pfhb1 pfhb1b pf-hbi pfhbi pfhbii pfhc pfhcb pfhd pfhe pfhi pfhip pfhm pfhof pf&homw pfhomw

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