礦(kuang)用U型(xing)(xing)(xing)(xing)鋼(gang)支(zhi)架(jia)U型(xing)(xing)(xing)(xing)鋼(gang)支(zhi)架(jia)規格:礦(kuang)用U型(xing)(xing)(xing)(xing)鋼(gang)支(zhi)架(jia),U型(xing)(xing)(xing)(xing)鋼(gang)支(zhi)架(jia),25U型(xing)(xing)(xing)(xing)鋼(gang)支(zhi)架(jia),29U型(xing)(xing)(xing)(xing)鋼(gang)支(zhi)架(jia),36U型(xing)(xing)(xing)(xing)鋼(gang)支(zhi)架(jia),礦(kuang)用支(zhi)撐鋼(gang);主(zhu)要用于礦(kuang)井(jing)巷道、礦(kuang)井(jing)斜巷、礦(kuang)井(jing)平硐支(zhi)護等;