礦用U型(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架U型(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架規格:礦用U型(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架,U型(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架,25U型(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架,29U型(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架,36U型(xing)(xing)鋼(gang)(gang)支(zhi)(zhi)(zhi)架,礦用支(zhi)(zhi)(zhi)撐鋼(gang)(gang);主要用于礦井巷道、礦井斜(xie)巷、礦井平硐支(zhi)(zhi)(zhi)護等;