Not only is the cave storage required to be in the integral rock, but be kept forever below the underground water level, making use of the difference of...

它既要求洞库位于完整性好的岩体中，且又永远处于地下水位以下，利用油水比重差防止气体外逸，从而达到储油的目的。

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Thevast cave, drilled into granite under the VitaBerg Parkin Stockholm, houses dozens of computer servers used as storage by many companies.

数据中心是在瑞典斯德哥尔摩维塔·伯格公园地下花岗岩中钻出的一个巨洞，拥有数十台电脑服务器。很多公司都使用服务器存储资料。

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