Bailer
Худаг, цооногоос ус гаргах зориулалт бүхий төхөөрөмж
Эх сурвалж:A (usually cylindrical) device for withdrawing or collecting water from a well or borehole.
Source John M. Sharp, Jr. 2007 Department of Geological Sciences Jackson School of Geosciences The University of Texas Austin, Texas, USAЗураг