门式刚架中，压型钢板在做屋面维护结构的同时，还承受维护结构平面内的荷载。
In the gabled frames, the profiled sheet that is used as the roof and the wall can also resist the shear force in their own plane.
快开端盖是压力容器中的一个常见的承压部件，快开端盖经常因带压开门或未关紧门升压导致各种事故。
Quick-opening closure is a common pressure-bearing component in pressure vessel. Quick-opening closure is often opened with pressure or boosted without closing the door resulting in kinds of accident.
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