Usawa bahari wastani : Tofauti kati ya masahihisho

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d r2.7.1) (roboti Nyongeza: zea:Zeêniveau
d r2.7.1) (roboti Nyongeza: et:Meretase
Mstari 23:
[[eo:Marnivelo]]
[[es:Nivel del mar]]
[[et:Meretase]]
[[eu:Itsas maila]]
[[fa:سطح آب‌های آزاد]]