double-v butt weld double-vee double-vee edge double-vee groove double vernier double-wave detection double-wave rectification double way double-way circuit double-way rectifier double wheel double-wheel type lathe double-winding alternator double window double word boundary double worm double-wound relay double-wound rotor doubling effect doubling machine |
double-v butt weld челен заваръчен шев с V-образно скосяване на краищата Търсената дума е намерена |