sea level /SCIENCE,ENG-MECHANICAL,BUILDING/
[DE] Normal-Niveau; Normal-Null; Normalnull
[EN] sea level; sea level
[FR] niveau zéro
sea level
[DE] Normal-Niveau; Normal-Null; Normalnull
[EN] sea level; sea level
[FR] niveau zéro
sea level /SCIENCE,ENVIR/
[DE] Meereshöhe; Meeresspiegel; Seehöhe
[EN] sea level
[FR] niveau de la mer