A.75 B.100 C.5
設(shè)備運轉(zhuǎn)率=設(shè)備運轉(zhuǎn)總時數(shù)/4月份日歷總時數(shù)*100=733/744*100%=98.12%
破碎比=0.85*B/S=0.85*400/80=4.25