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单词 commutator
释义 commutator/ˈkɒmjʊteitə/n. 1 Electr. a device for reversing electric current 【电】换向器,转换器 2 an attachment connected with the armature of a dynamo which directs and makes continuous the current produced 整流子(指连接在发电机电枢上调整电流方向的装置)
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