制药工厂生产相关的主要公用系统有空调系统及水系统等，水系统包括一次水(饮用水)、纯水及注射用水。
Key utility system in pharmaceutical industry plant are HVAC system and water system, and water system include city water system, purified water system and WFI (water for injection) system.
第四章主要根据现有用水分析的结果和数据，对炼油生产的用水系统进行优化分析和评价，并指出相关的问题和解决办法。
Chapter iv primarily offered optimized analysis and evaluation of water-consuming for oil-refining production based on data in hand. Solutions had also been given to the related problems.
该系统的取水和供水系统都为变频调速控制，由微机根据用水需求情况，自动控制和管理水的生产和供应，实现水厂经济、合理地生产和供水。
In accordance with the water demand, production and supply is controlled and managed automatically by microcomputer to realize reasonable and economical operation of water works.
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