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容器类零件通常需要进行气密性试验。被试零件在试验装置中定位并压紧,使试验装置的气道与被试零件的容腔相通,然后将它们一起浸入水槽,接通气源,即可观察被试零件的密封情况,按规定观察一段时间后移
Container parts usually require air tightness tests. The parts to be tested are positioned and compressed in the testing device so that the air passage of the testing device communicates with the cavity of the tested part and then immersed in the water tank together with the air source to observe the sealing condition of the parts under test Prescribed observation after a period of time shift