permanent gas

例句：

1. 1. The scientist discovered a new type of permanent gas that could be used for energy storage.
   科学家发现了一种新类型的永久气体，可用于能量存储。
2. 2.Permanent gases are often used in industrial processes to replace traditional fuels.
   永久气体常用于工业过程中以替代传统燃料。
3. 3. The research team found a way to produce permanent gas from renewable sources.
   研究团队找到了一种从可再生资源中生产永久气体的方法。