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Four avenues opened out of the small cavern which the great rock stood in.
大岩石所在的岩洞里有四条岔路。
youdao
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The shape of the gas storage cavern in the rock will have different stability.
而储气库洞室的形状也会使围岩有不同的稳定性。
youdao
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The shape of the gas storage cavern in the rock will have different stability.
而储气库洞室的形状也会使围岩有不同的稳定性。
youdao