cooling fixture

例句：

1. 1. The engineer designed anew cooling fixture for the factory's air conditioning system.
   工程师为工厂的空调系统设计了一个新的冷却装置。
2. 2. The refrigeratorhas a built-in cooling fixturethat keeps the food fresh.
   冰箱内置了一个冷却装置，保持食物新鲜。
3. 3. The scientist useda cooling fixture to cool down theliquid nitrogen before it was injected into thesample.
   科学家使用一个冷却装置来冷却液态氮，然后再将其注入样本中。