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.
在一些扫雷舰上，在舰艏甲板上的双- 37毫米aaa炮被一座更有威力的单管85毫米炮代替。
On some units, the dual-37mm AAA gun on the bow deck was replaced by a more powerful single-barrel 85mm gun.
而在管座上对应地增设了一对不带电极的空心插孔。
While a pair of hollow jacks without electrodes are correspondingly and additionally arranged on the lamp base.
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