flat-slab buttress dam flat slate flat sluice valve flat sound flat spiral flat spring flat square flat-stagered amplifier flat stereotype flat stock flat surface flat surface grinding flat-surface grinding machine flatten flattened arch flattened-strand rope flattened thread flattened tube flattener flattening |
flat-slab buttress dam контрафорсна язовирна стена на Амбурсен Търсената дума е намерена |