<progress id="c6wt7"><u id="c6wt7"></u></progress>
      <track id="c6wt7"></track><strong id="c6wt7"></strong>

      <span id="c6wt7"><sup id="c6wt7"></sup></span><span id="c6wt7"><output id="c6wt7"><b id="c6wt7"></b></output></span>

          <legend id="c6wt7"><li id="c6wt7"></li></legend>

          <sub id="c6wt7"><sup id="c6wt7"></sup></sub>

        1. 21
          2019
          10

          正舉新材逃生管:太焦高鐵太行隧道山西段貫通

          正舉新材逃生管:太焦高鐵太行隧道山西段貫通正舉新材逃生管:太焦高鐵太行隧道山西段貫通太(原)焦(作)高鐵起自山西省太原市,經山西晉中市、長治市、晉城市,終至河南省焦作市,全長362.1公里,設計時速250公里。中鐵十一局太焦高鐵10標項目全長24.56公里,其中太行隧道全長9.75公里,山西段長6.1 公里。太行隧道地處太行山南麓崇山峻嶺中,位于連續褶皺帶,共計10條褶皺及多處擠壓構造帶,主要為VI級圍巖,經過淺埋地段及富水地段、下穿石盆暗河、既有村莊等??缭娇v張斷裂帶、巖溶和裂巖發育、抗風化能
          ?? 1 ??
          嫩草在线_日韩专区在线观看_制服丝袜在线_午夜不卡伦在线观看
          <progress id="c6wt7"><u id="c6wt7"></u></progress>
              <track id="c6wt7"></track><strong id="c6wt7"></strong>

              <span id="c6wt7"><sup id="c6wt7"></sup></span><span id="c6wt7"><output id="c6wt7"><b id="c6wt7"></b></output></span>

                  <legend id="c6wt7"><li id="c6wt7"></li></legend>

                  <sub id="c6wt7"><sup id="c6wt7"></sup></sub>