Improvements in design, materials and manufacturing mean that today's vehicles can be operated safely longer than ever, albeit at the cost of continuous maintenance and repair.
设计、材料和制造工艺的改进，意味着今天的汽车安全行驶寿命比以往任何时期都长——尽管车主必须不断的进行维护和维修。
With midrange and high end POWER7 systems, concurrent maintenance support enables continuous application availability.
在中高端POWER 7系统中，并发维护支持使持续应用程序可用性成为可能。
Maintain continuous communication with housekeeping and engineering in regards to cleaning and maintenance requests.
保持持续沟通与客房部和工程部关于清洁和维护的要求。
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