通常我们每隔几年对塑石假山进行维护保养，保养的内容有：内部骨架加固、表面修补、补色。
We usually every few years of plastic rockery stone for maintenance, maintenance of the contents are: internal reinforcement, surface repair, complementary framework.
本文论述了医疗设备维护保养的内容，以及就医院应该如何做好这些工作进行了探讨。
This article discusses the content of medical equipment maintenance and points out how to make it well in hospital.
冷媒加注是汽车制冷系统维护与保养的重要内容。
Coolant charging-up is one of the important contents of automobile cooling system maintenance.
计算机安装和维修专业学习如何安装，保养和维修电脑及相关的设备。课程包括从电源供应器到编程基础和网络的一切内容。
Students in this major learn how to install, keep up, and fix computers and related equipment. Their studies cover everything from power supplies to programming basics and networking.
本论文的工作包括上述试验台的系统设计、安装、调试、操作保养规程的制订、试运转以及现场的实际检测和误差分析等内容。
The work of the paper is composed of the systematic design, mounting, adjustment, service manual, test run, actual test, error analysis, etc of the test apparatus.
服务的工作内容包括保养、急修、修理、改造、技术咨询、质量访问、零配件的供应。
Our services include maintain, mend urgently, transform, technical advice, supply fittings, pay a return visit of quality.
服务的工作内容包括保养、急修、修理、改造、技术咨询、质量访问、零配件的供应。
Our services include maintain, mend urgently, transform, technical advice, supply fittings, pay a return visit of quality.
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