The principle and scheme of selective control on process variables of LPG absorbing tower by use of DCS is explained in detail, including the selection and implementation of field instrument.
本文详细介绍了应用d C s对液化气吸收塔的工艺参数实现选择性控制的原理和方案，以及现场仪表的选型和实施。
This paper introduces the scheme selection, the construction process and the project quality inspection of curtain grouting in consolidation project of Gushan Reservoir in Fanshi County.
文中叙述了繁峙孤山水库险加固工程帷幕灌浆的施工方案选择、施工过程及工程的质量检查。
This work introduces the overall design , process scheme selection and techeconomic figures of National Engineering Research Center of Chemical Fertilizer Catalyst.
介绍化肥催化剂国家工程研究中心的总体设计、工艺方案选择和技术经济指标。
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