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介紹了1+1保護(hù)式數(shù)字硅箱控制器設(shè)計中的設(shè)計思想及其實(shí)現(xiàn)方法.給出了系統(tǒng)的構(gòu)成原理及主要程序設(shè)計方法.
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www.Fisher.com Fisher r Sliding -Stem Valve Selection Guide Typical Fisher Sliding-Stem Control Valves W8861 W7957-2 easy -e?GX TBX STEAM CONDITIONING VALVE X0165 A broad range of Fisher valves, sizes, and materials is offered – fromNPS1/2 for general service to NPS20 and larger for demanding high -pressure steam, hydrocarbon, and noise services. FIELDVUE? digital valve controllers offer digital c