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2020-09-29 03:24:23 -

What should be paid attention to when using the elevator
Take a passenger elevator as an example: The passenger elevatoris equipped with landing doors, car running direction indicators, math display car, running position indicator and passenger elevatorcall button at each service landing. When using the passenger elevator call button, press the up direction button when going upstairs, and press the direction button when going downstairs....

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