Isbn: 9787111619420 - 正版书籍 揭秘飞机[美]珍妮弗雷特兰德范伍尔斯特6-12-15周岁少儿童科普百科大全中小学生机械构造课外读物博物大百科十万个为什么 (1 resultados)

Hardcover. Condición: New. Language:Chinese.HardCover.Pub Date:2019-05-01 Pages:24 Publisher: Machinery Industry Press. The plane is so heavy. why can it fly at high altitude??How does the speedboat speed up??How does the car run??The Little Engineers Hands-on series allows readers to understand the working principles and structural composition of airplanes. cars. helicopters. hot air balloons. motorcycles. speedboats. and trains.?By reading this set of books. young readers can also get to know the common content secti.…