内蒙古防火栅栏两用门防火栅栏两用门MFHSL防火栅栏两用门（防火栅栏门）的规格型号—图号:MFHSL1.4x1.8—B85-373.29MFHSL1.6x1.8—B85-373.30MFHSL1.8x2.0—B85-373.31MFHSL2.1x2.0—B85-373.32M代表门；F代表防火；H代表火；S代表栅栏；L代表两用门，数字代表该防火栅栏两用门能通过的通径的尺寸。)