10 請問下列何者並不是主要用來衡量軌道系統機件可靠度之指標?
(A) Mean time between failures(MTBF)
(B) Mean time to repair(MTTR)
(C) Mechanical availability(MA)
(D) Mean time to schedule disruption(MTSD)
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統計: A(26), B(33), C(54), D(143), E(0) #2019147
統計: A(26), B(33), C(54), D(143), E(0) #2019147