礦(kuang)用(yong)(yong)U型(xing)鋼支(zhi)(zhi)(zhi)(zhi)(zhi)架U型(xing)鋼支(zhi)(zhi)(zhi)(zhi)(zhi)架規(gui)格:礦(kuang)用(yong)(yong)U型(xing)鋼支(zhi)(zhi)(zhi)(zhi)(zhi)架,U型(xing)鋼支(zhi)(zhi)(zhi)(zhi)(zhi)架,25U型(xing)鋼支(zhi)(zhi)(zhi)(zhi)(zhi)架,29U型(xing)鋼支(zhi)(zhi)(zhi)(zhi)(zhi)架,36U型(xing)鋼支(zhi)(zhi)(zhi)(zhi)(zhi)架,礦(kuang)用(yong)(yong)支(zhi)(zhi)(zhi)(zhi)(zhi)撐鋼; U型(xing)鋼支(zhi)(zhi)(zhi)(zhi)(zhi)架主要(yao)用(yong)(yong)途(tu):主要(yao)用(yong)(yong)于(yu)礦(kuang)井巷道、礦(kuang)井斜巷、礦(kuang)井平(ping)硐支(zhi)(zhi)(zhi)(zhi)(zhi)護(hu)等;