()all your money in the first week is not a sensible strategy.
A. Spending
B. To spend
C. Spend
D. Spended
锅炉在额定负荷670t/h下的排烟温度tpy=135℃,送风温度tsf=20℃,排烟过量空气系数αpy=1.35,飞灰及炉渣可燃物含量均为αz=3.7%,煤的发热量Q=4.18×4800kJ/kg,灰分A=27%,煤种函数K1=3.54,K2=0.56,化学未完全燃烧损失q3=0.3%,灰渣物理热损失q6=0.2%,试用反平衡法求锅炉效率?
全厂辅助蒸汽除来自辅助锅炉外,每台余热锅炉的()也可向辅助蒸汽系统供汽。
A. 中压蒸汽
B. 高压蒸汽
C. 低压蒸汽