semi-exciting type regenerative generator

例句：

1. 1.The new semi-exciting type regenerative generator has greatly improved the efficiency of our power generation system.
   新型半激动型再生发电机大大提高了我们发电系统的效率。
2. 2.The engineers are working on developing a more efficient semi-exciting type regenerative generator.
   工程师们正在研发一种更高效的半激动型再生发电机。
3. 3.The semi-exciting type regenerative generator is a key component in the power grid, providing stable and reliable power supply.
   半激动型再生发电机是电网的关键组成部分，提供稳定可靠的电力供应。