underground water-sealed cavern 地下水封石洞油库
underground water-sealed oil storage cave 地下水封石洞油库
Once CO2 is sealed underground, the research center says it will not leak out.
一旦二氧化碳封存在地底下，研究中心说它就不会洩漏。
The principles and design of water sealed underground storage were describes in detail.
并对水封式地下储库的基本原理及设计作了较为详细的论述。
One answer is to use the energy to compress air, which can be squirrelled away in hermetically sealed underground caverns.
解决这一问题的方法之一是利用风能来压缩空气，使空气进入气密的地下储气站。
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