C3744 Defect of Zero Machine

What a genius! Xiao Letian had given them a task, but these engineers actually bought one and sent one.

Turning the permanent magnet to cut the magnetic field to produce electricity, this was something even junior high students in their past life knew. Xiao Letian actually neglected this, he deserved death!

Ren Youweimen and Yuan Chao were half-kneeling in front of the workbench