diaphragm freezer

例句：

1. 1. This new model of the refrigerator has a diaphragm freezer that can keep food fresh for up to 24 hours.
   这台新型号的冰箱有一个隔膜式冷冻机，可以保持食物新鲜长达24小时。
2. 2. The diaphragm freezer in the freezer room is designed to keep the temperature stable at -30°C.
   冷冻室中的隔膜式冷冻机设计用来将温度稳定在-30°C。
3. 3. The diaphragm freezer in the kitchen is perfect for storing leftovers and keeping them fresh for severaldays.
   厨房里的隔膜式冷冻机非常适合储存剩菜剩饭，并保持它们新鲜几天。