礦(kuang)(kuang)用(yong)(yong)(yong)(yong)U型(xing)(xing)(xing)鋼支(zhi)(zhi)(zhi)架(jia)U型(xing)(xing)(xing)鋼支(zhi)(zhi)(zhi)架(jia)規格:礦(kuang)(kuang)用(yong)(yong)(yong)(yong)U型(xing)(xing)(xing)鋼支(zhi)(zhi)(zhi)架(jia),U型(xing)(xing)(xing)鋼支(zhi)(zhi)(zhi)架(jia),25U型(xing)(xing)(xing)鋼支(zhi)(zhi)(zhi)架(jia),29U型(xing)(xing)(xing)鋼支(zhi)(zhi)(zhi)架(jia),36U型(xing)(xing)(xing)鋼支(zhi)(zhi)(zhi)架(jia),礦(kuang)(kuang)用(yong)(yong)(yong)(yong)支(zhi)(zhi)(zhi)撐(cheng)鋼; U型(xing)(xing)(xing)鋼支(zhi)(zhi)(zhi)架(jia)主要用(yong)(yong)(yong)(yong)途(tu):主要用(yong)(yong)(yong)(yong)于(yu)礦(kuang)(kuang)井巷道、礦(kuang)(kuang)井斜巷、礦(kuang)(kuang)井平硐支(zhi)(zhi)(zhi)護等;