礦(kuang)用U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架規格:礦(kuang)用U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架,U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架,25U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架,29U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架,36U型(xing)(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架,礦(kuang)用支(zhi)(zhi)(zhi)撐鋼(gang);主要用于礦(kuang)井(jing)巷道、礦(kuang)井(jing)斜巷、礦(kuang)井(jing)平硐支(zhi)(zhi)(zhi)護等;