礦(kuang)(kuang)用(yong)(yong)U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架(jia)U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架(jia)規格:礦(kuang)(kuang)用(yong)(yong)U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架(jia),U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架(jia),25U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架(jia),29U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架(jia),36U型(xing)(xing)鋼(gang)支(zhi)(zhi)(zhi)架(jia),礦(kuang)(kuang)用(yong)(yong)支(zhi)(zhi)(zhi)撐(cheng)鋼(gang);主要用(yong)(yong)于礦(kuang)(kuang)井(jing)(jing)巷道、礦(kuang)(kuang)井(jing)(jing)斜巷、礦(kuang)(kuang)井(jing)(jing)平硐支(zhi)(zhi)(zhi)護等;