单词	cavity barrier
释义	cavity barrier fire stop fire stop In a concealed, hollow construction, a material or member which fills or seals the open construction to prevent or retard the spread of fire.
随便看	the golden state the golden touch the gold mine of information the gold-mine of information the goldmine of information the gold sheet the golem of prague the golf warehouse the gomer the gonzo the goob the goober the goober grabber the goober-grabber the goobergrabber the gooch the good the good 5 cent cigar the good 5-cent cigar the good/bad old days the good bets the good-bets the good book the good book company the good buddy

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