航空工程 hángkōnggōngchéng aeronautical engineering Definitions Defs Origin Strokes Stroke Words Sentences Sents 航空工程 hángkōnggōngchéng aeronautical engineering The field of engineering and science concerned with the design, construction, and operation of aircraft and spacecraft
航空工程 hángkōnggōngchéng aeronautical engineering The field of engineering and science concerned with the design, construction, and operation of aircraft and spacecraft
