half life half-life period half-lock cable half-lock coil rope half log half-normal bend halfpace half period half-period average current half-pitch roof halfplane half-rough nut half-round blunt scraper half-round file half-round moulding half-round reamer half-section half-shade angle half-shade polarimeter half-side milling cutter |
half life период на полуразпадане half-life полупериод Търсената дума е намерена |