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。
2
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。
3
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.