题目内容
影响道床路基稳定的施工作业，基床换填封锁施工放行列车条件，大型养路机械捣固、稳定车作业，两捣一稳作业后，开通后第三列限（）Km/h。
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挂架子的保安期限一般为3～4天。
公安机关交通管理部门根据道路和交通流量的具体情况，可以对机动车、非机动车、行人采取疏导、限制通行、禁止通行等措施。（）
A customer recently installed new a SAN with an IBM System Storage DS8700 and several open systems servers to address a need for storage consolidation and still provide good response time. They have asked the Business Partner technical representative for the most complete IBM product that would allow them to do performance reporting of the new SAN environment. What is the best solution（）
对于D类火灾的扑救，正确的方法是（）
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