water column,water gage,water gauge /SCIENCE,TECH/
[DE] Wassersaeule
[EN] water column; water gage; water gauge
[FR] colonne d' eau
gauge,gauge glass,level control,level indicator,spirit level,water gauge,water level /TECH,ENG-MECHANICAL/
[DE] Fluessigkeitsstandglas; Wasserstandanzeiger; Wasserstandglas; Wasserstandrohr; Wasserwaage
[EN] gauge; gauge glass; level control; level indicator; spirit level; water gauge; water level
[FR] indicateur de niveau d' eau; niveau d' eau; tube de niveau