once-through fuel cycle

例句：

1. 1.The once-through fuel cycle is a key technology for reducing emissions.
   一次通过燃料循环是减少排放的关键技术。
2. 2. The once-through fuel cycle has significant environmental benefits.
   一次通过燃料循环具有显著的环保效益。
3. 3.The once-through fuel cycle is being widely used in power plants.
   一次通过燃料循环正在电厂广泛使用。