西汉时期出现的农业生产工具是什么？WhatistheagriculturalproductiontoolthatappearedintheWesternHanDynasty? A: 耧车 ananimal-drawnseedplough B: 秧马 Yangma，avehiclefortransportingriceplantstothericefields C: 铁锹 spade;shovel D: 曲辕犁 QuYuanplough,bendingplow
西汉时期出现的农业生产工具是什么？WhatistheagriculturalproductiontoolthatappearedintheWesternHanDynasty? A: 耧车 ananimal-drawnseedplough B: 秧马 Yangma，avehiclefortransportingriceplantstothericefields C: 铁锹 spade;shovel D: 曲辕犁 QuYuanplough,bendingplow
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