watertight bulkhead watertight cover water-tight packing water-tight vessel water-to-carbide generator water tower water transport water trap water treatment water-treatment system water truck water tube water-tube boiler water-tube cooler water-tube grate water tunnel water turbine water valve water vapour water vapour absorption |
watertight bulkhead водонепроницаема преграда Търсената дума е намерена |