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河北太行水泥有限公司采用的DCS系统是美国贝利公司的N-90系统,操作站为OIS20。N90系统自20世纪90年代初投运以来已有十几年的时间,按
Hebei Taihang Cement Co., Ltd. DCS system used by the United States Bailey’s N-90 system, operating station OIS20. The N90 system has been in use for more than a decade since it was put into operation in the early 1990s