Is single-layer air spring or double-layer air spring installed for vibration reduction of vibrating fluidized bed?

According to the bearing capacity of vibrating fluidized bed, single layer or double layer is selected. Rubber air spring is a spring that uses air elasticity to compress the air in a retractable closed container. It is also widely used, commonly known as airbag, airbag tube, skin tube and so on in our daily life.