礦(kuang)用(yong)(yong)U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)架(jia)U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)架(jia)規格:礦(kuang)用(yong)(yong)U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)架(jia),U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)架(jia),25U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)架(jia),29U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)架(jia),36U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)架(jia),礦(kuang)用(yong)(yong)支(zhi)(zhi)撐(cheng)鋼(gang);主要用(yong)(yong)于礦(kuang)井巷道、礦(kuang)井斜(xie)巷、礦(kuang)井平硐(dong)支(zhi)(zhi)護等;