Việt
đường ống ngầm
Anh
underground pipe
underground piping
Đức
unterirdische Leitung
Pháp
canalisation souterraine
conduite souterraine
underground pipe,underground piping /ENG-MECHANICAL/
[DE] unterirdische Leitung
[EN] underground pipe; underground piping
[FR] canalisation souterraine; conduite souterraine