neutron emitter

例句：

1. 1.Neutrons are used in nuclear reactors to produce heat.
   中子在核反应堆中用于产生热量。
2. 2. The neutron emitter was responsible for the radiation leakage.
   中子发射体负责辐射泄漏。
3. 3.Neutron emitter is a crucial component of modern nuclear power plants.
   中子发射体是现代核电站的关键部件。