礦(kuang)用(yong)U型(xing)鋼(gang)支(zhi)(zhi)架U型(xing)鋼(gang)支(zhi)(zhi)架規格:礦(kuang)用(yong)U型(xing)鋼(gang)支(zhi)(zhi)架,U型(xing)鋼(gang)支(zhi)(zhi)架,25U型(xing)鋼(gang)支(zhi)(zhi)架,29U型(xing)鋼(gang)支(zhi)(zhi)架,36U型(xing)鋼(gang)支(zhi)(zhi)架,礦(kuang)用(yong)支(zhi)(zhi)撐鋼(gang);主要用(yong)于礦(kuang)井巷(xiang)道、礦(kuang)井斜巷(xiang)、礦(kuang)井平(ping)硐(dong)支(zhi)(zhi)護等;