neutron log test pit

例句：

1. 1.The neutron log test pit isa crucial part of the nuclear reactor's operation.
   中子寿命测试坑是核反应堆操作的关键部分。
2. 2. The neutron log test pit was used tomeasure the reactor's efficiency.
   中子寿命测试坑被用来测量反应堆的效率。
3. 3. The neutron log test pitis designed to collect data on the reactor's performance.
   中子寿命测试坑被设计来收集关于反应堆性能的数据。