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jan 1, 475 BC - 【战国时期】 铁器得到推广，铁农具在农业生产中逐步推广 出现了大量铁农具的范 随着铁器推广，青铜制造业逐渐衰落

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人教版高中历史|Chinese students' PEP SENIOR HIGH HISTORY TEXTBOOKS

ByGUZI
8 months ago
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jan 1, 475 BC
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~ 2502 years ago
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