- subcommutator
- 副: assistant
- 副换向: subcommutation
- 换向器: collector; commutator-brush combination; commuter; diverter; divertor; guide apparatus; inverter; reversal device; reversing a aratus; reversing apparatus; switch
- 齿轮换向器: gear tumbler; tumbler
- 汞换向器: mercury commutator
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