转换开关
- n.transfer switch
- 网络change-over switch; permutator; Switches

转换开关
1.transfer switch
2.changeover switch
3.commutation switch; tumbler switch; tumbler; switcher; permutator; alternation switch; change-over switch; changer; switch
4.changing switch
5.switch unit
6.switch key
7.reset switch
8.on-off switch
9.commutator
10.inverter
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