接电话时故意加速撞击

OK, no problem. Ji Feng nodded cheerfully. In fact, there is no weapons research and development department. Even if there is, it is just the study room on the third floor of his villa. Laser guns and laser cannons were developed in the study room, including 3D TVs and so on. It was developed here. Strictly speaking, the place where he is is the R&D center!...