C507 Regrettably Rescheduled

"What?" Ouyang Qing knew that Luo Huian must have something that he needed to make a decision on, but he didn't expect it to be so serious.

"The geographic problem didn't show up during the exploration. Now that we are ready to start work, we found that the underground water has already eroded the base level, so we need to fill it up immediately. " Luo Huian said