- tandem knife switch
- tandem knife-switch
- tandem-knife switch
- 串: string together
- 闸刀开关: knife switch; closing switch ...
- 双闸刀开关: double bladed knife switch
- 闸刀开关: [电工] knife switch; closing switch; plug-in strip
- 串联闸刀开关: tandem knife switch; tandem knife-switch
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