To predigest and enhance managers efficiency for the work, this topic mainly research the installment and maintenance network systems.
为了简洁化和提高管理员的工作效率，本课题主要研究通过网络批量安装维护系统。
With the advance of the level of the industrial automation, the field control brought forward strict requirements for installment, maintenance and move of part of information exchange equipments.
随着工业自动化程度的提高，现场控制对部分信息交换设备的安装、维护、移动提出了严格的要求。
The paper analyses the causes of accidents from three perspectives of design and installment, operation, maintenance of valves. Some specific measures are put forward to reduce accident happening.
从阀门的设计安装，操作使用，维修检查三个方面分析了造成油库阀门事故的原因，提出了一些减少此类事故的具体措施。
Disclosed is a universal drawing instrument for pipe elbow, which is a tool for making steel pipe elbow during the maintenance and installment of pipes.
管道弯节万能画线仪是一种管道维修安装时制作钢管弯头的工具。
IntroductionMonitoring Department is responsible for the monitoring of Beijing clients' indoor environment, including result analysis, and the adjustment, installment and maintenance of monitors.
工作介绍Monitoring部门负责北京客户的环境监测，包括监测数据分析以及监测仪器校准、安装以及维护等。
IntroductionMonitoring Department is responsible for the monitoring of Beijing clients' indoor environment, including result analysis, and the adjustment, installment and maintenance of monitors.
工作介绍Monitoring部门负责北京客户的环境监测，包括监测数据分析以及监测仪器校准、安装以及维护等。
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