Isbn: 9787571441104 - 【新华书店总店自营】 儿童结构大师,北京科学技术出版社 (1 resultados)

paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2024-12 Pages: 124 Publisher: Beijing Science and Technology Press This book is a popular science book that introduces the knowledge of mechanical physics in the subject of physics. The suitable reading age is 7-15 years old. The main content is the five basics of mechanical physics: wheels. rollers. wedges. levers. pulleys. and screws. This book explains all the basic mechanical devices. each part explains how they work. and shows their science and mathe.…