名词短语中文翻译
中文翻译：冷却操作
同义词：
['cooling process', 'coolingstep']
例句：
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1. During thecooling down operation, the temperature of thematerial is reduced to a safe level.
在冷却过程中，材料的温度被降低到安全水平。
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2. The cooling down operation is crucialfor preventing the formation of cracks inthe material.
冷却过程对于防止材料形成裂纹至关重要。
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3. The cooling down operation was completedsuccessfully after 24 hours.
冷却过程在24小时后成功完成。