“canal flood control projects in ancient China”的概念、定义、翻译、参考文献-科学参考

单词	canal flood control projects in ancient China
释义	canal flood control projects in ancient China Encyclopedia 理学中国古代运河防洪安全工程释 canal flood control projects in ancient China中国古代运河防洪安全工程中国古代为保证运河工程不受洪水破坏和确保航行船只安全平稳所采取的工程措施。
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