A. 水壶 B. 食品铁皮盒 C. 烟斗 D. 钢笔
A. F(2.30),0.05 B. F(2.28),0.05 C. F(2.31),0.05 D. F(2.28),0.25 E. F(2.28),0.10
A. 炉墙损坏情况 B. 炉墙石墨沉积情况 C. 焦炉加热是否正常 D. 炼焦配煤情况