礦用(yong)U型(xing)鋼(gang)(gang)支(zhi)(zhi)架(jia)(jia)U型(xing)鋼(gang)(gang)支(zhi)(zhi)架(jia)(jia)規格(ge)：礦用(yong)U型(xing)鋼(gang)(gang)支(zhi)(zhi)架(jia)(jia)，U型(xing)鋼(gang)(gang)支(zhi)(zhi)架(jia)(jia)，25U型(xing)鋼(gang)(gang)支(zhi)(zhi)架(jia)(jia)，29U型(xing)鋼(gang)(gang)支(zhi)(zhi)架(jia)(jia)，36U型(xing)鋼(gang)(gang)支(zhi)(zhi)架(jia)(jia)，礦用(yong)支(zhi)(zhi)撐(cheng)鋼(gang)(gang)；主要用(yong)于(yu)礦井巷道(dao)、礦井斜巷、礦井平硐(dong)支(zhi)(zhi)護等(deng)；
