礦(kuang)用(yong)(yong)U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)規格:礦(kuang)用(yong)(yong)U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia),U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia),25U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia),29U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia),36U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia),礦(kuang)用(yong)(yong)支(zhi)(zhi)(zhi)撐(cheng)鋼(gang)(gang)(gang);主要用(yong)(yong)于礦(kuang)井巷道、礦(kuang)井斜巷、礦(kuang)井平硐支(zhi)(zhi)(zhi)護(hu)等;