A.1.5t/m3~1.7t/m3 B.1.6t/m3~1.8t/m3 C.1.9t/m3~2.0t/m3 D.1.8t/m3~1.9t/m3
某1200m3高爐,日產(chǎn)量為3000t,則該高爐利用系數(shù)為()t/(m3•d)。
A.2.1 B.2.0 C.2.5 D.3.0
A.0.24% B.1% C.5% D.10%