礦(kuang)用(yong)U型(xing)(xing)鋼(gang)支(zhi)架U型(xing)(xing)鋼(gang)支(zhi)架規格(ge):礦(kuang)用(yong)U型(xing)(xing)鋼(gang)支(zhi)架,U型(xing)(xing)鋼(gang)支(zhi)架,25U型(xing)(xing)鋼(gang)支(zhi)架,29U型(xing)(xing)鋼(gang)支(zhi)架,36U型(xing)(xing)鋼(gang)支(zhi)架,礦(kuang)用(yong)支(zhi)撐(cheng)鋼(gang);主要(yao)用(yong)于礦(kuang)井巷(xiang)道、礦(kuang)井斜巷(xiang)、礦(kuang)井平硐支(zhi)護等;