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