The pressure will result in the formation of a vapor pocket.
压力将导致形成一个蒸汽口袋。
2
Conclusion:The attic retraction pocket reflected the negative pressure of middle ear and its pathogenesis was related with the function of Eustachian tube, inflammation and pneumatization of mastoid.
结论上鼓室内陷袋反映中耳负压状态，其发病机制与咽鼓管功能、炎症、乳突气化程度相关；
3
Results show that the pressure field and fluid field of the circular main oil pocket are stable and proportional;