Rebecca Stefoff 
Panama Canal [PDF ebook] 

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The titles in this series explore and explain how wonders of the ancient and modern worlds were built. Each book covers the construction of each structure in terms of the engineering process and includes why each structure was built. The books describe the design stages and technologies used during construction and explain the design changes or problems builders faced along the way.

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语言 英语 ● 格式 PDF ● ISBN 9781474711883 ● 出版者 Raintree UK ● 发布时间 2016 ● 下载 3 时 ● 货币 EUR ● ID 4907444 ● 复制保护 Adobe DRM
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