洞穴堪称最神秘的构造,是大自然母亲在地球表面,或者更精确些,在地表以下巧夺天工的创造。
Caves belong to the most enigmatic formations, created by Mother Nature on the surface of planet Earth, or, to be more accurate, beneath it.
因此,洞穴沉积物(包括石笋、石钟乳和流石等)可望为川东北地区的新构造活动尤其是地震事件研究提供一种新的依据。
Sediments in karst caves here, such as stalagmite, stalactite and flowstone, could provide some new evidences for investigation of the neotectonic movement, especially earthquake in this area.
大洞穴、构造断裂带、隧道衬砌壁后注浆。
Large caves, tectonic fault zone, lining the tunnel wall grouting.
大洞穴、构造断裂带、隧道衬砌壁后注浆。
Large caves, tectonic fault zone, lining the tunnel wall grouting.
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