The preventive maintenance during the normal service period of the corroded chemical structural is to ensure the structure fulfill its designed service function in the given service time. 在正常使用过程中化工结构的预防性维修,主要目的是保证结构在预定时间内能完成其设计使用功能。
As a kind of initiative maintenance, preventive maintenance mainly aims at prolonging service life of medical equipment, extending their fault-free time and lowering the whole life expense. 预防性维修属于一种主动维修,其主要目的是延长设备寿命、延长设备无故障时间、降低设备全寿命费用。
We offer a range of UPS services, from regular preventive maintenance, to repairs, to full coverage service plans. 我们提供的UPS服务,包括定期的预防性维护,修理,以全面覆盖的服务计划。
The highway of a country is huge public infrastructure assets, the pavement preventive maintenance is the important technological means of improving assets service level and realizing assets protection. 高等级公路是庞大的社会公共资产,路面预防性养护技术是提高公共资产的服务水平,实现资产保值和增值的重要技术手段。
This paper selected the jing-qin highway to analysis preventive maintenance decision. And use the flatness method in pavement service performance. So the result is more truthfulness. 在工程实例中选择了京秦高速公路中具体路段进行了预防性养护决策分析,并且在路面使用性能预测中,使用了平滑指数方法,使得评价结果更加符合实际。