ISBN: 9787110101551 - 中国古代机械 融媒体版 幼儿图书 早教书 故事书 儿童书籍 图书 (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2021-04-01 Pages: 104 Publisher: Science Popularization Publishing House China is one of the countries that invented machinery early in the world.?In the long history. Chinese ancients have created many outstanding mechanical science and technology achievements. and have made outstanding achievements in principle and design. power. materials. processing technology. etc. and occupy an important position in the history of the world's mechanical development.…