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-laws detection square-loop ferrite square-loop material square matrix square-mesh screen square meter square metre square mile |
square-groove weld челен заваръчен шев без скосяване на краищата Търсената дума е намерена |