Steam turbine gland seal is a major constituent element of a turbine,which has a direct bearing on the steam leakage of a turbine seal,and thus affects the thermal efficiency of a steam turbine unit.

• 汽轮机的汽封是汽轮机的重要部件,汽轮机汽封的密封性能将直接影响到汽轮机汽封的蒸汽泄漏量,进而影响汽轮机的机组热效率。