A.Direct Control System B.Distributed Control System C.Distributed Computer System D.Direct Computer System
A.入口絕對(duì)壓力/出口絕對(duì)壓力 B.出口表壓/入口表壓 C.出口絕對(duì)壓力/入口絕對(duì)壓力
A.流量 B.閥門(mén)開(kāi)度 C.壓力