underground transmission system
preferred label: سامانه انتقال زیرزمینی @fa
alternative label: underground power transmission system
scope note: سامانه انتقال نیروی زیرزمینی @fa
scope note: underground power transmission system
broader: transmission network
related: underground cable
related: underground distribution system
type: Concept

transmission network
preferred label: شبکه انتقال @fa
type: Concept
narrower: underground transmission system

underground cable
preferred label: بافه زیرزمینی @fa
type: Concept
related: underground transmission system

underground distribution system
preferred label: سامانه توزیع زیرزمینی @fa
type: Concept
related: underground transmission system