论述了有关炼油化工企业仪表自动化水平及方向，仪表选型的模式等一些重要问题。
Some problems on the automation level and trend of instruments and the selection of instruments in refineries and petrochemical plants are discussed.
化工控制回路中调节器作用方向判断是《化工自动化及仪表》课程中的教学难点。
Judgement of direction of the regulator function in a control circuit is a teaching jungle of the course Automation and Meters in Chemical industry.
公司主要以自动化工程项目的实施、自动化产品及自动化仪表的销售为主。
Mainly to the implementation of automation projects, automation products and automation instrument sales.
公司主要以自动化工程项目的实施、自动化产品及自动化仪表的销售为主。
Mainly to the implementation of automation projects, automation products and automation instrument sales.
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