heat-shielded cathode

例句：

1. 1.Thermal shielding is a crucial technology in the development of nuclear reactors.
   热屏蔽技术是核反应堆发展的关键。
2. 2.The heat-shielded cathode is an essential component in the operation of the power system.
   热屏蔽阴极是电力系统运行的必备部件。
3. 3. The design of the heat-shielded cathode plays a vital role in enhancing the efficiency of the solar cell.
   热屏蔽阴极的设计对提高太阳能电池的效率起着至关重要的作用。