C37 It's Easy to Say

"What are you studying?" Elder Zhu asked.

At this time, Qin Guan had already gotten up. Elder Zhu sat directly in Qin Guan's seat. He put on his glasses and carefully looked at the picture.

"Elder Zhu, this is the two-way stabilizing System of the tank's turret." Qin Guan said.

He said it very simply. When they heard Qin Guan's words