square butt weld square complex squared-stone masonry square edge square elbow square engine square-field motor square file square-groove weld square head square-head bolt square-headed bolt square head screw square integrable function square iron square key square-law square-law characteristic square-law detector square-law modulator |
square butt weld челен заваръчен шев без скосяване на краищата Търсената дума е намерена |