double-hearth furnace

例句：

1. 1. The double-hearth furnace is a traditional Chinese cooking method that involves heating two pieces of metal togetherto cook food.
   双火炉是一种传统的中国烹饪方法，它涉及将两块金属一起加热来烹饪食物。
2. 2.In the old days, people would use double-hearth furnaces to bake bread and other baked goods in their homes.
   在过去，人们会在家里使用双火炉来烘焙面包和其他烘焙食品。
3. 3. The double-hearth furnace is an important part of traditional Chinese cooking, as it allows for even heating and ensures that food is cooked thoroughly.
   双火炉是传统中式烹饪的重要组成部分，因为它能够提供均匀的加热，并确保食物被彻底煮熟。