68%。當(dāng)焦炭質(zhì)量達(dá)到高爐需求后,仍進(jìn)一步提高是不經(jīng)濟(jì)的,滿足高爐需求的焦炭質(zhì)量控制,才是經(jīng)濟(jì)的運(yùn)行模式。"/>