double-strap butt weld double-strap joint double-stream amplifier double stroke double strut double-strut trussed beam double-suction impeller double-suction pump double superheterodyne receiver doublet doublet antenna double-tapered muff double-tariff meter double-tariff metre doublet-casing turbine double tee double-threaded screw double-throw contact double-throw crankshaft doublet impulse |
double-strap butt weld челно заваръчно съединение с две планки Търсената дума е намерена |