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Waterway engineering
中國大運(yùn)河技術(shù)史

Waterway engineering圖片(共5張) :
Waterway engineering

        The Jiangnan Canal is located in an area with a dense river network and thenatural rivers have been navigable.The canal was formed through artificialexcavation and river training and became the main waterway for the tributerice transportation in different    (共 9972 字)     [閱讀本文] >>

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