cryopumping
type: Concept
alternative label: cryogenic pump
alternative label: پمپ زم‌زایشی @fa
broader: vacuum pump
broader: vacuum technique
broader: cryogenics
preferred label: زم‌دمش @fa
scope note: cryogenic pump

vacuum pump
type: Concept
narrower: cryopumping
preferred label: تلمبه خلاء @fa

vacuum technique
type: Concept
narrower: cryopumping
preferred label: فن خلاء @fa

cryogenics
type: Concept
narrower: cryopumping
preferred label: زم‌زایی @fa