“curved-beam plow”的概念、定义、翻译、参考文献-科学参考

单词	curved-beam plow
释义	curved-beam plow Encyclopedia 历史学[科学技术]释 curved-beam plow曲辕犁中国唐代后期发明的耕作农具。最早出现于江南地区，因此又称为江东犁。
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