C412 Third conjecture

After the switch was turned on, there was no smoke or fire from the grid. This also proved that there was no problem with the grid at all.

Big Beard proudly walked over to Lin Yiyuan, raised his eyes and looked at him, then said: "How is it? Are you convinced? "

With a dry cough, Lin Yiyuan said, "I concede."

Then, he said, "The old saying goes, 'Hungry craftsmen in dire times of war