Traditional Culture Encyclopedia - Hotel reservation - I went to the hotel and inserted an electric card. What happened when the doorbell rang?
I went to the hotel and inserted an electric card. What happened when the doorbell rang?
I went to the hotel and inserted an electric card. The doorbell rang because:
1, there is something wrong with the circuit between the doorbell and the electric card, which causes the doorbell of the hotel plug-in card to ring;
2. Incorrect connection between the doorbell and the power supply of the electric card caused the hotel to plug in the electric card and the doorbell rang. I went to the hotel and plugged in the electric card. The doorbell rings mainly because there is something wrong with the circuit between the doorbell and the electric card.
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