短語詞組短語centralized multipoint operation 集中多點操作centralized control operation 集控運行centralized operation and maintenance 集中式操作與維護integrated centralized operation system 綜郃集中維護系統(tǒng)Centralized Operation Control System 中央運行控制系統(tǒng)non centralized operation 非集中操作operation centralized style 工序集中式 返回 centralized operation