Chapter 1783

Ma Lan was so disappointed and hurriedly opened her mouth and said, "wife, when are you coming back have you set a time"Xiao Churan said: "I want to seal up the information and progress of the project..."Yes!" Chen Zekai nodded and said, "have you ever heard of Concorde" Many years ago, the French developed a supersonic airliner that could fly at twice the speed of sound and cruise at a speed of 2150...