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近二三十年来，人们在柴达木盆地托素湖畔东北角一座名叫“察罕诺尔山”的小山脚下发现了一处奇异的洞口，洞深约６米，高约８米，洞壁有直径４０厘米的铁管穿过，洞口处有十余根直径１０—４０厘米铁管斜穿入岩体，管壁与岩体之间十分紧密而无缝隙，其安装技术令人惊奇。从洞
In the last two or three decades, a strange hole was found at the foot of the hill called “Chahanol Mountain” at the northeast corner of the Tusu Lake in the Qaidam Basin. The cave is about 6 meters deep and about 8 meters high. There is a diameter of 40 cm of iron pipe through the hole at a dozen diameter 10-40 cm iron pipe oblique penetration into the rock, pipe wall and rock mass between the very close without gaps, the installation of technology is amazing. From the hole