• 密不透气的,不通气的

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1. 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。
2. Separation of the water supply from the air inlet is accomplished by means of a diaphragm seal.
   供水与空气的隔离是通过采用隔膜密封的方法实现的。
3. When not in use, gently rub the surface with cotton or tissue to remove dirt and moisture.Placed in sealed bags or boxes to avoid contact with air.
   不用时可用棉布或面纸轻拭表面，清除水份和污垢，将它置放于密封的袋子或盒子中，避免与空气接触。