名词短语
中文翻译：外层冷却
同义词：
['outer cooling', 'outer heat sinking例句：1. The hydrogen fuel cell is a promising technology for future energy storage.（氢燃料电池是未来能源存储的有前途的技术。）']
例句：
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1. The hydrogen fuel cell is a promising technology for future energy storage.
氢燃料电池是未来能源存储的有前途的技术。
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2.The outer cooling system of the spacecraft helps to keep it cool during long-duration missions.
太空船的外部冷却系统有助于在长时间任务期间保持其冷却。
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3.The outer cooling system of the engine is crucial for maintaining its efficiency and lifespan.
发动机的外部冷却系统对于保持其效率和寿命至关重要。