预防性设备维护是按周期、约定时间间隔对设备定期进行维护，是设备维护管理常用的手段之一。
Preventive equipment maintenance is to maintain equipment periodically according to a period and a conventional time interval and is a normal measure for equipment maintenance and management.
预防性设备维护是按周期、约定时间间隔对设备定期进行维护，是设备维护管理常用的手段之一。
Preventive equipment maintenance is to maintain equipment periodically according to a period and a conventional time interval and is a normal measure for equipment maintenance and management.
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