commutation commutation switch commutative commutative law commutativity commutator commutator ammeter commutator bar commutator brush commutator bush commutator face commutator losses commutator motor commutator noise commutator pitch commutator rectifier commutator ripple commutator segment commutator shell commutator spider |
commutation комутация комутиране мат. пермутация Търсената дума е намерена |