介绍某公司引进的离子膜制碱装置采用国产dcs系统的原由，系统的结构及特点。
The reasons for adopting homemade DCS to introduction ion membrane alkali produced device in Hangzhou Electrochemical Group Ltd.
摘要： 本文以云南某公司太阳能热水系统结合为例，介绍了太阳能热水系统的工程概况和集热器面积。
Abstract : Taking a company in yunnan with solar water heating system for an example, this paper describe engineering situation and the collector area of solar energy heating water system.
介绍了某公司调频谐振耐压试验装置参数的选型和应用情况。
The parameter selection of frequency regulation resonance test device and its application is presented.
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