C481 The Problem with the Radar Cover

Just compatibility alone is enough to give people headaches.

As for Qin Guan, he only decided to come and take a look when he heard that there were endless problems here.

The 6611 Research Institute had finally grown and did not need to worry about anything. They opened the J-7 2M and J-7 E and saw the electrical system inside. They knew that he had gone to look for it