die stock die tap diethyl diethyldithiocarbamate diethylene diamine diethylene glycol diethyline diethyllead diethyl phosphonate diethyl phtalate diet problem die work diferential representation difference amplifier difference-differential equation difference equation difference frequency difference gauge difference number difference quotient |
die stock винторезна дъска материал за студено обработване под налягане Търсената дума е намерена |