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过程控制工业正在为数字通信总线从专有的标准和国家标准中精选全球性标准,然而进步缓慢,并不断受挫,迫使卖主和用户寻找目前能够被采用的总线系统。
The process control industry is picking up global standards for proprietary standards and national standards for the digital communications bus. However, progress is slow and frustrating, forcing vendors and users to look for bus systems that are currently available.