本实用新型涉及核燃料元件领域，具体涉及一种压水堆燃料组件上管座。
The utility model relates to the field of nuclear fuel components, in particular to an upper tube seat of a pressure water reactor fuel element.
对于压水堆燃料组件而言，栅格稠密、几何形状复杂，对中子的吸收较强。
Considering fuel assembly for PWR, it is possessed of dense lattice, complex geometry and strong absorption of neutron.
这是个沸水式反应堆和压水式反应堆的，设计上的重要区别，沸水型反应堆的燃料组件，是罐装起来确保我们得到，的冷水的供应足够。
This is a very important design difference between a BWR and a PWR. So, BWR fuel assemblies are essentially canned to make sure we have an adequate supply of cooling water.
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