求翻译：一是简单的在电梯轿厢加装监视探头，由值班室人员时时关注轿厢内的动态，一有情况马上组织营救，这种虽有效但要求值班人员责任心强，有专业营救知识，这一点许多单位难以做到；是什么意思？

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First, it is simple in elevator car installing surveillance probes, the duty room staff concern when the car in a dynamic, as soon as there is a rescue organization, this is effective but requires a strong sense of responsibility and professional staff members on duty rescue knowledge, this is diffi

正在翻译，请等待...

A simple install monitoring probes to the elevator car, by staff of the guards ' room and always concerned about the dynamics within the cabin, one immediately organized the rescue, which is effective but require the person on duty responsible, professional rescue knowledge, this many units is diffi

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