خط‌لوله گاز
preferred label: gas pipeline @en
type: Concept
related: عبور خط‌لوله

خط‌لوله
preferred label: pipeline @en
type: Concept
related: عبور خط‌لوله

خط‌لوله نفت
preferred label: petroleum pipeline @en
type: Concept
related: عبور خط‌لوله

عبور خط‌لوله
related: خط‌لوله گاز
related: لوله گاز طبیعی
related: خط‌لوله
related: خط‌لوله نفت
preferred label: pipeline changeover @en
type: Concept

لوله گاز طبیعی
preferred label: natural gas pipeline @en
type: Concept
related: عبور خط‌لوله