ISBN 10: 7519825264 ISBN 13: 9787519825263
Anbieter: liu xing, Nanjing JiangSu, JS, China
paperback. Zustand: New. Paperback. Pub Date: 2018-11-01 Pages: 40 Language: Chinese Publisher: China Electric Power Publishing House primary school students as the future of the motherland. safe and healthy growth is the expectation of all parents and teachers.?In elementary education. safety education is a very important part.?Because electricity is invisible and intangible. it is a safety area that schools and families focus on.?Based on the extensive collection and analysis of electric shock cases of primary scho.