41.在ON-OFF控制系統中,若差距(Differential)調整得太小,必然造成0N-0FF動作頻繁(Hunting, cycling and flutuation) °
(A)O
(B)X
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統計: A(1), B(1), C(0), D(0), E(0) #924935
統計: A(1), B(1), C(0), D(0), E(0) #924935