垫片密封盖
Gasket seal cover
以上为机器翻译结果，长、整句建议使用 人工翻译 。
端盖用螺栓将它们固定在管板上并加入垫片密封。
Cover is fixing on the tube plate with some sealed gasket by bolt.
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通过计算实例，给出了压力容器设计中常见的焊接密封垫片连接结构的平盖设计的一种方法。
With the example, one method for designing flat cover with welded gasket commonly met in pressure vessel design was presented.
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