Yu Qiaolin, author

Hao qi bao bao ke xue shi yan zhan Jue jiang de li yu yun dong = Stubborn force and movement Yu Qiaolin ;edited by Ding Xinyi -- Harbin Harbin Institute of Technology Press 2016

154 pages : colour illustrations 24cm

ISBN:  9787560360102

1. Mechanics /xScience Experiment /xChildren's Books 

I. Ding Xinyi editor 

C