In tunnel construction of rich water karst area, the key technology to guarantee the tunnel construction security is to detect and forecast the geological situation in front of the tunnel face.
岩溶富水隧道施工中对隧道掌子面前方一定范围内的地质情况进行超前探测和预测预报是保证隧道施工安全的关键技术。
Elite thermal Fleece fabric interior and Elite Barrier outer shell front panels combine in a two-layer construction that provides water and wind resistance.
精英热羊毛织物内饰和精英畅通无阻外壳前面板结合的两层建筑，提供水和抗风。
Elite thermal Fleece fabric interior and Elite Barrier outer shell front panels combine in a two-layer construction that provides water and wind resistance.
精英热羊毛织物内饰和精英畅通无阻外壳前面板结合的两层建筑，提供水和抗风。
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