1SVR011718R2500D ABB

ABB 8C413016V002SG3MB,SN.BS093691
ABB DSQC604 3HAC 12928-1
ABB C16 DC 2P
ABB C20 2P
ABB C32 S203M 3P

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则应随时间的增长逐渐减小或趋于零。对于稳定的自动调节系统,其被控量因扰动而偏离期望值后,经过一个过渡时间,应恢复到原来的期望值;对于稳定的随动系统,被控量应能跟踪给定量的变化而变化。反之,不稳定的控制系统

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