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