The bolt with lower stiffness accelerates the decrease of compressive stress in gasket during pressure loading, which is harmful to joint tightness.
内压加大时，刚度小的螺栓将加速垫片压紧应力的降低，对紧密性不利。
Aseal gasket is positioned between the upper cup and the lower cup.
所述上杯和下杯之间设有密封垫。
Aseal gasket is positioned between the upper cup and the lower cup.
所述上杯和下杯之间设有密封垫。
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