这个正为NASA研发中的“通用可扩展超低温引擎”以液态氧(- 297华氏度)与液态氢(- 423华氏度)的混合物为燃料。
The Common Extensible Cryogenic Engine being developed for NASA burns a mixture of liquid oxygen (-297 degrees Fahrenheit) and liquid hydrogen (-423 degrees).
燃料电池反应的热将水蒸发，蒸发的水将在燃料电池的末端排出，排出物为饱和蒸气和液态水的混合物。
The water evaporates because of the heat present within the fuel cell and it leaves the end of the cell configuration as a mixture of saturated air and liquid water.
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