C2036 What a Huge Pit

But now, there was a problem with the most important part. This made Qin Luo very unhappy.

In his plan, it was absolutely impossible for such a thing to happen, but it had happened!

"Professor, during the process of adding fuel, we discovered that there was a depression in the arrow. I will immediately report it and stop adding fuel." The staff wearing protective clothing said.

Qin Luo frowned