研究人员称其为“冰锯”。

Researchers call it the glacial buzz-saw.

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在冬季期间访问洞被切断通过冰的链锯。

During the winter period access holes were cut through the ice with a chain saw.

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在冬季期间访问洞被切断通过冰的链锯。

During the winter period access holes were cut through the ice with a chain saw.

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