Analysis of the advantages of TEW semiconductor devices

Auswahl:News and information
add time:2019-11-26
Put the light bulb and socket into the water tank filled with water, and the light bulb does not go out; Put your hand into the water tank, repeatedly pull out, plug in the socket and plug, will not get an electric shock, the light can be on again; Turn on the shower head and spray water towards the socket where the water heater is plugged in. The water heater can still work normally

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