闸刀开关 knife edge switch

单极闸刀开关 [电] single-pole knife switch ; one-pole knife switch

三极双掷闸刀开关 three-pole double-throw knife switch

闸刀开关铜片 switch tongue ; switch blade

模型箱闸刀开关 mould case fused knife switch

封闭式闸刀开关 enclosed knife switch

双闸刀开关 double bladed knife switch

刀形触点闸刀式开关 knife-edge contact

小型闸刀开关 baby knife switch