礦用(yong)U型(xing)(xing)(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)U型(xing)(xing)(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)規格(ge):礦用(yong)U型(xing)(xing)(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia),U型(xing)(xing)(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia),25U型(xing)(xing)(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia),29U型(xing)(xing)(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia),36U型(xing)(xing)(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)架(jia)(jia)(jia),礦用(yong)支(zhi)(zhi)(zhi)撐鋼(gang)(gang)(gang);主要(yao)用(yong)于礦井巷道、礦井斜(xie)巷、礦井平(ping)硐支(zhi)(zhi)(zhi)護等;