礦(kuang)用(yong)(yong)U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia)(jia)U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia)(jia)規格:礦(kuang)用(yong)(yong)U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia)(jia),U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia)(jia),25U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia)(jia),29U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia)(jia),36U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia)(jia),礦(kuang)用(yong)(yong)支(zhi)(zhi)撐鋼(gang)(gang)(gang); U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia)(jia)主(zhu)要用(yong)(yong)途:主(zhu)要用(yong)(yong)于礦(kuang)井(jing)巷道、礦(kuang)井(jing)斜(xie)巷、礦(kuang)井(jing)平硐(dong)支(zhi)(zhi)護等;