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- Maintenance and replacement of expendable equipment components, e.g. purification filters, should be based on the results of monitoring and validation. 对易耗件的维修和更换，如净化过滤器，应根据相应的监控和验证结果进行。
- The transformable relationships among states of aging, maintenance and replacement are intensively inquired into under certain conditions. 探讨了在环境侵蚀、维修、重建等情况下各状态之间的转移关系；
- To study one unit repairable system with single repairman vacation, a kind of new maintenance and replacement model is proposed. 摘要针对修理工带有单重休假的单部件可修系统，提出了一种新的维修更换模型。
- We provide installation, maintenance and replacement focused on reducers , fluid couplings, shaft couplings and backstops. 提供减速机,联轴器和逆止器等动力传动产品的安装调试,维修以及替换改造等服务。
- To study one unit repairable system with single repairman vacation, this paper proposes a kind of new maintenance and replacement model. 摘要针对修理工带有单重休假的单部件可修系统，提出了一种新的维修更换模型。
- Made from low friction, long-life compound material, to avoid the direct contact between metals. The maintenance and replacement are easy and convenient. 采用低摩擦、长寿命复合材料,避免了金属与金属的直接接触,维修更换简单方便。
- Regular checks of the power unit and electrical wiring system is strong, whether there are electrical components abnormal movements, if timely maintenance and replacement. 经常检查机组的电源和电气系统的接线是否牢固，电气元件是否有动作异常，如有应及时维修和更换。
- For the first time since operations began in 1996, the detector had been emptied of its 50,000 tons of ultrapure water for maintenance and replacement of a few hundred phototubes. 自1996年开始运转以来，人们首度将超级神冈的五万吨超纯水倾空，以便维修和更换数百根光电管。
- Since atmospheric type vacuum breakers are subject to normal maintenance and replacement, they should be located where emergency water spillage will create no problem and where they can be accessible for inspection or servicing. 由于大气型真空断路阀需要正常的维护和更换，因此这类装置应该安装在紧急水泄漏或溢出不会产生问题的地方，还要容易接近进行检查或维修。
- Toothbrush maintenance and replacement: Each time cleans the teeth finished, will be supposed to brush the toothbrush cleaning on a dynasty to put in the cup, will put in ventilates . 牙刷的保养和更换：每次刷牙完毕，应将牙刷洗净将刷头朝上放入杯内，置于通风干燥处。
- Recognition for ongoing maintenance and service. 持续的技术支持、维护和服务。
- He picked them up and replaced them in the bag. 他把它们捡了起来，放回到包里。
- Advanced Highway Maintenance and Construction Tech. 先进公路维护与建设技术研究中心。
- Customer database maintenance and updating. 维护和及时更新客户资料。
- QC center facility maintenance and follow the work. 负责品检中心物品保修和跟踪完成工作。
- A good deal of old equipment needed junking and replacement. 许多老旧的设备都应该废弃，另外添购新的。
- Ongoing maintenance and servicing plan. 持续的维护和服务计划。
- The sensor can be maintenance and repairs? 这个传感器是否可以被维修？
- Dams need better maintenance and desilting. 水坝需要更好的维护和疏通。
- Diagnostic equipment failures and replacement parts. 诊断设备的故障和更换部件。
