ammonia process

例句：

1. 1. The ammonia process is used to produce urea, which is then used as a fertilizer.
   氨肥生产法用于生产尿素，然后作为肥料使用。
2. 2. In the ammonia process, the nitrogen in the air is converted into ammonia gas.
   在氨肥生产法中，空气中的氮气被转化为氨气。
3. 3. The ammonia process is an environmentally friendly way to produce fertilizers.
   氨肥生产法是一种环保的肥料生产方法。