- 1. 电路转换开关: circuit changing switch
... chopper switch 刀形开关 circuit changing switch 电路转换开关 circuit switch 电路开关；电路转接 ...
dict.youdao.com - 2. 同轴电路转换开关: coaxswitch
dict.youdao.com - 3. 主电路库用转换开关: main circuit transfer switch for shed supply
dict.youdao.com - 4. 辅助电路库用转换开关: auxiliary circuit transfer switch for shed supply
dict.youdao.com
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