tunnel ventilation

URI: https://gptkb.org/prop/tunnel_ventilation
4 triples
GPTKB property
Random triples
Subject Object
gptkb:Tunnel_de_Mont_Blanc mechanical systems used
gptkb:Moffat_Tunnel natural ventilation system.
gptkb:Gotthard_Base_Tunnel mechanical ventilation system
gptkb:Cross-Harbour_Tunnel mechanical ventilation system