所以，那是紧急核心冷却系统，对于一个加压水反应堆而言。
So that is the emergency core cooling system for a pressurised water reactor.
还有很清楚地，许多不同种的燃料组件，如你们会在一个沸水型，和加压水式反应堆看到的，燃料组件是不同的，所有产生在一个燃料针的，热量都需要除去。
And clearly, many different types of fuel assemblies, as you will see a BWR and PWR fuel assemblies are different and all heat that is generated in that one fuel pin needs to be removed.
所以加压水反应堆和沸水反应堆的不同，就是沸水反应堆的在抑压池里有个装置，使得蒸汽能够释放出来。
So the big difference between a PWR and BWR is that a BWR has a built in suppression pool for the steam that maybe released.
控制棒是在一个加压水冷却反应堆里使用的，用来改变能量的级别，也可以用来停止反应堆。
Control rods are used in a PWR typically to change the power level and also to shut down the reactor.
主回路是一个对冷却剂加压的封闭回路。冷却剂的作用是带出反应堆内的热量。
The primary circuit is a close circuit that pressurize water whose function is to extract heat from the nuclear reactor.
它以反应堆冷却剂(水)为工作介质，经泵加压后，注入安装在压力壳内的水力步进缸。
The reactor coolant (water) is used as actuating medium, pressed by pump, and then injected into hydraulic step cylinders which are set in the reactor vessel.
它以反应堆冷却剂(水)为工作介质，经泵加压后，注入安装在压力壳内的水力步进缸。
The reactor coolant (water) is used as actuating medium, pressed by pump, and then injected into hydraulic step cylinders which are set in the reactor vessel.
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