cold-chamber machine

例句：

1. 1. This cold-chamber machine is used to keep food fresh for a long time.
   这种冷室机用于长时间保持食物新鲜。
2. 2. The cold-chamber machine was designed to reduce the risk of food spoilage.
   这种冷室机被设计来减少食物变质的风险。
3. 3.The cold-chamber machine is essential for preserving delicate foods like cheese and meat.
   这种冷室机对于保存像奶酪和肉类这样的易腐食品至关重要。