urgent maintenance的意思|示意

Complete work orders for maintenance repairs and submit to Engineering. Contact Engineering directly for urgent repairs.

完成维修工作单并送到工程部，如情况紧急，直接与工程部联系。

With the exponential increase in the size of the IP network and the urgent demands in network management and maintenance, traffic matrix estimation has currently become an interesting topic.

随着IP网络规模指数式增长而带来的对网络管理和维护的迫切需求，流量矩阵估计已成为当前的热点研究问题。

Many companies have various urgent fire drills on machine security and maintenance issues.

许多公司对机器安全和维护问题有各种各样消防演习式的训练。