礦用(yong)U型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia)U型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia)規格(ge):礦用(yong)U型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia),U型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia),25U型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia),29U型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia),36U型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia),礦用(yong)支(zhi)(zhi)撐(cheng)鋼(gang)(gang)(gang)(gang); U型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)支(zhi)(zhi)架(jia)(jia)主要(yao)用(yong)途(tu):主要(yao)用(yong)于礦井(jing)巷道(dao)、礦井(jing)斜巷、礦井(jing)平(ping)硐支(zhi)(zhi)護等(deng);