This book explores the science behind flight. It looks at topics such as how planes, helicopters, and balloons fly. It also looks at the concepts of gravity, streamlining, drag and thrust.
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语言 英语 ● 格式 PDF ● ISBN 9781406246551 ● 出版者 Raintree UK ● 发布时间 2012 ● 下载 6 时 ● 货币 EUR ● ID 2368331 ● 复制保护 Adobe DRM
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