大学英语词汇短语释义解析及例句 primary coolant


释义：

primary coolant 初冷却剂；一次冷却剂；一次载热剂

例句：


The reactor vessel constitutes the main part of pressure boundary of primary coolant.

反应堆压力壳构成了主冷却剂压力边界的主体。



When you have an event, the reactor is operating at full power, you blowdown the primary coolant which is hot, you start injecting emergency core cooling water which is cold.

当你进行的时候，反应堆就会用全部的动力，运行，你排放出初冷却剂，那是热的，你开始注入紧急核心冷却水，那是冷的。



Integral reactor systems -- including the reactor vessel itself, six steam generators, five primary coolant pumps, 12 isolation valves and more -- were stored outside for up to 18 months, exposed to highly corrosive tropical sea air and weather.