double-throw disconnecting switch

... double-throw crank-shaft 双弯曲轴 double-throw disconnecting switch 双掷隔离开关 double-throw switch 双掷开关 ...

... double-slip switch 双动转辙器 double-throw disconnecting switch 双投隔离开关 double-throw switch 双投开关; 双掷开关 ...