环道元

solid-state circuit breaker【电】

circuit repetitive peak off-state voltage【电子】

horizontal deflecting circuit【电子】;horizontal deflection circuit【电子】

single-pole circuit breaker

regenerating circuit【电子】;regeneration circuit【电子】;regenerative circuit【电子】

electrothermal, circuit breaker protective switch

emergency protective circuit arrangement responsive to phase failure

vacuum-tube clipping circuit