single-strap butt weld single stroke single-stroke bell single-strut trussed beam singlet single-tank breaker single test single-thread single-thread screw single-thread worm single-throw single-throw crankshaft single-throw shaft singlet positronium single track single-track heading single-track tape recorder singlet state singlet term single-type composition |
single-strap butt weld челен заваръчен шев с оставаща планка Търсената дума е намерена |