two-boiling system

例句：

1. 1. The two-boiling system is a popular method for cooking fish.
   双沸系统是一种流行的烹饪鱼的方法。
2. 2.The new two-boiling system has greatly improved the efficiency of the process.
   新的双沸系统大大提高了该过程的效率。
3. 3.In the two-boiling system, water and oil are heated separately before being combined.
   在双沸系统中，水和油分别加热后再混合。