【电学】电力开关灭弧腔【电学】电弧抑止腔

valve for arc-extinguishing fluid

maintaining, increasing the flow of arc-extinguishing chamber

reservoir for arc-extinguishing fluid

arc-extinguishing

power switch having arc-extinguishing fluid pressure produced by arcs

reservoir for arc-extinguishing fluid power switch (circuit breaker)

arc-extinguishing by gas for fuse

arc-extinguishing fluid