推广应用程序控制节能又节材广西电力工业局李如虎在现代化的生产过程中，大量地存在着按作业顺序反复操作的主产过程；或是接参数作不断调节的生产过程。这些过程用人工操作或调节根本不可能实现大规模生产，而必须买行顾序控制和自动调节。最早使用的顺序自动控制（即指... Promote the application of energy saving and material control Guangxi Power Industry Bureau Li Ruhu in the modern production process, there are a large number of main operations in accordance with the order of repeated operation of the main production process; or access parameters for the production process of continuous adjustment. These processes with manual operation or adjustment is impossible to achieve large-scale production, but must buy the order control and automatic adjustment. The earliest use of automatic sequence control (ie ...