词汇	cost and price
释义	cost and price 成本和价格
随便看	commutatorless motor commutatorless, motor commutatorless varying-speed motor commutator loss commutator losses commutator lug commutator machine commutator machine having adjustable armature commutator machine having air-core armature commutator machine having damping winding commutator machine having open armature winding commutator machine having parallel winding commutator machine having stationary shunts commutator machine with brake commutator matrix commutator, mechanical commutator method commutator mica material commutator micanite commutator micanite sheet commutator modulator commutator motor commutator motor ac commutator motor commutator motor meter commutator motor type