fluidized bed
type: Concept
preferred label: بستر سیال @fa
related: packed bed

packed bed
type: Concept
broader: chemical equipment
preferred label: بستر پرشده @fa
related: fluidized bed
related: flow of fluid
related: heat transfer

chemical equipment
type: Concept
narrower: packed bed
preferred label: تجهیزات شیمیایی @fa

heat transfer
type: Concept
preferred label: انتقال گرما @fa
related: packed bed

flow of fluid
type: Concept
preferred label: شارش سیال @fa
related: packed bed