密封组件 meaning in Chinese

potted assemblies
seal assembly
seal set
set of seals

Machine tools ; multi - spindle heads ; assemblies , spindle seals types e to p
机床.多轴头. e至p型轴密封组件
Fluid power systems and components - multiple lip packing sets - methods for measuring stack heights
液压气动用多层唇形密封组件.测量叠层高度的方法
Fluid power systems and components ; multiple lip packing sets , methods for measuring stack heights
流体传动系统和元件.多层唇形密封组件.测量叠合高度