NYC Building Codes state that elevators in the city have to be thoroughly inspected at regular intervals, not exceeding one year.
纽约市建筑法规规定该市的所有电梯必须定期检查，时间间隔不得超过一年。
NYC Building Codes state that elevators in the city have to be thoroughly inspected at regular intervals, not exceeding one year.
纽约市建筑法规规定该市的所有电梯必须定期检查，时间间隔不得超过一年。
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