melt urea pump

例句：

1. 1.The melt pump is responsible for transferring the heat from the hot end to the cold end of the reactor.
   熔融泵负责将反应器热端到冷端的热量转移。
2. 2. The urea pump is used to transport urea gas from the storage tank to the reactor.
   尿素泵用于将尿素气体从储罐输送到反应器。
3. 3. The melt pump and urea pump are essential components of the chemical process.
   熔融泵和尿素泵是化工过程的必备组件。