single-v butt weld single-vee groove single vernier single vortex single vortices single-way railway single-way rectifier single-way switch single-wheel pelton turbine single-whip tackle single-winding multispeed motor single window single-wire antenna single-wire circuit single-wire transmission line singly-charged ion singly-ionized atom singly-terminated crystal singular singular integral |
single-v butt weld челен заваръчен шев с V-образно скосяване на краищата Търсената дума е намерена |