C4649 Do Not Stop Cannot Stop!

So this was how European refined steel! Everyone was enlightened. The # 1 BF could only throw in 10 tons of raw materials at a time, and 5 tons of molten steel could be thrown out after throwing away the coke and residue!

A total of five tons of molten steel could only fill up two gigantic cast-iron crucible, and with the help of the steam power