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When powering a fuel cell, the only waste is water.
当为燃料电池供电时，惟一损耗的就是水。
youdao
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Water and heat management is one of the key technologies of fuel cell engine.
水和热管理是燃料电池发动机的关键技术之一。
youdao
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Water and heat management is one of the key technologies of fuel cell engine.
水和热管理是燃料电池发动机的关键技术之一。
youdao