礦用(yong)U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia)U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia)規格:礦用(yong)U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia),U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia),25U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia),29U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia),36U型(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)架(jia),礦用(yong)支(zhi)(zhi)撐(cheng)鋼(gang)(gang)(gang);主要(yao)用(yong)于礦井(jing)(jing)巷道、礦井(jing)(jing)斜(xie)巷、礦井(jing)(jing)平硐支(zhi)(zhi)護等;