This includes operating the system over three years, as well as the training of personnel, the provision of equipment, technical maintenance and spare parts.
这包括超过3年的系统运营，以及人员培训、设备提供、技术维护和备件。
Several hundred sensors placed throughout an automated cutting system send back real-time data that maintenance personnel can act upon.
数以百计的传感器放置在自动化切割系统的各个位置，传回供维修人员参考的实时数据。
To ensure maintenance in the distribution system, an evident breaking device should be set for the safety of testing and repair personnel.
配电系统中为了确保维护测试和检修人员的安全应有明显的断开装置。
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