礦(kuang)用U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)架(jia)U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)架(jia)規格:礦(kuang)用U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)架(jia),U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)架(jia),25U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)架(jia),29U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)架(jia),36U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)架(jia),礦(kuang)用支(zhi)(zhi)(zhi)(zhi)撐鋼(gang); U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)架(jia)主要用途:主要用于礦(kuang)井巷道(dao)、礦(kuang)井斜巷、礦(kuang)井平硐(dong)支(zhi)(zhi)(zhi)(zhi)護(hu)等;