我们9时就到这里了，维护现场的治安秩序。
We 9 when the it for the maintenance of public order and order.
事故发生不久，二十四名警察被派往现场维护秩序。
Shortly after the accident, two dozen police were sent to the spot to keep order.
警察被召来维护现场秩序，直到银行工作人员让该提款机停止服务。
Police were called in to keep watch until the bank's staff could take it out of service.
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