然后可以将氢气输入到存储系统中，并在需要附加或备用电源时用于发电。
The hydrogen gas could then be fed into a storage system and used to generate electricity when additional or backup power is needed.
煤炭和天然气主要用于发电，而石油主要用于给运输提供能量，但所有这些能源的价格是相互关联的。
Coal and natural gas are mainly used for electricity generation, whereas oil is used mostly to power transportation, yet the prices of all these energy sources are linked.
燃烧口罩的过程可以用于发电及生产砖块。
The process of burning the masks can produce electricity and bricks.
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