礦用(yong)U型(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)(zhi)架U型(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)(zhi)架規(gui)格:礦用(yong)U型(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)(zhi)架,U型(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)(zhi)架,25U型(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)(zhi)架,29U型(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)(zhi)架,36U型(xing)鋼(gang)支(zhi)(zhi)(zhi)(zhi)(zhi)架,礦用(yong)支(zhi)(zhi)(zhi)(zhi)(zhi)撐鋼(gang);主要用(yong)于(yu)礦井巷(xiang)道、礦井斜巷(xiang)、礦井平(ping)硐支(zhi)(zhi)(zhi)(zhi)(zhi)護(hu)等(deng);