preventive maintenance短语³⁹⁴²³ 基本例句 预防性维修,定期检修 How do we change business practices to Preventive MaintenancePM from the traditional Run To FailRTF mode? 我们如何从传统设施故障后维护向故障前维护的业务转变？ bbs.chinadaily.com.cn Preventive Maintenance and Downtime control for all equipment. 维护和保养所有设备，并控制误工时间。 iciba