A、<span style="font-size: 10.5pt; font-family: 宋体;">能耗减少的趋势增大</span>
B、<span style="font-size: 10.5pt; font-family: 宋体;">传热温差增大</span>
C、<span style="font-size: 10.5pt; font-family: 宋体;">生产强度降低</span>
D、<span style="font-size: 10.5pt; font-family: 宋体;">操作费用减少</span>