礦(kuang)(kuang)用U型(xing)(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)(jia)(jia)U型(xing)(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)(jia)(jia)規格(ge):礦(kuang)(kuang)用U型(xing)(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)(jia)(jia),U型(xing)(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)(jia)(jia),25U型(xing)(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)(jia)(jia),29U型(xing)(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)(jia)(jia),36U型(xing)(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)(jia)(jia),礦(kuang)(kuang)用支(zhi)(zhi)(zhi)撐(cheng)鋼(gang)(gang); U型(xing)(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)(jia)(jia)主要(yao)用途:主要(yao)用于礦(kuang)(kuang)井(jing)巷道、礦(kuang)(kuang)井(jing)斜(xie)巷、礦(kuang)(kuang)井(jing)平(ping)硐(dong)支(zhi)(zhi)(zhi)護等(deng);