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。

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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。

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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。

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