Prevention maintenance: a regular inspection, repair and replacement routine designed to reduce the risk of system failure.
预防式维修：一个定期检查，修理和例行更换的计划，以减少系统停顿的风险。
This text analyse lightning protection for instrument and meter of mine, expatiate on design idea, counter-measure, and daily maintenance and inspection routine for lightning protection of mine.
文章分析了矿山仪器仪表的防雷问题，着重阐述了矿山防雷的设计理念、措施和日常维护检查工作。
Operation and maintenance teams for routine inspection and repair can access the tunnels.
操作和维修人员在进行日常视察和修理时，可以进入隧道中。
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