与传统汽车维修方式相比，现代汽车维修首先是理念更新问题。
Compared with the conventional maintenance of automobiles, maintenance of modern automobiles with new devices calls for a new conception.
迅速掌握机械设备主要故障的部位、模式、机理、性质及发展趋势，使企业可以尽快做出维修与更新决策，减少停机时间。
To grasp fault component, mechanism, character and development trend in time and give the decision of maintenance and replacement as fast as possible and decrease the time of stopping machines.
灌区工程管理中一个很突出的问题是工程维护与维修以及更新改造所需要的资金严重不足。
One outstanding problem of Irrigated area engineering management is maintains and maintains project and fund needed to renovate insufficient very seriously.
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