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标题: The present state of force prediction models for rotary powered tillage tools [打印本页]

作者: shixiwu    时间: 2013-12-8 11:57
标题: The present state of force prediction models for rotary powered tillage tools
本帖最后由 shixiwu 于 2013-12-8 11:58 编辑

The present state of force prediction models for rotary powered tillage tools
求助链接:http://www.sciencedirect.com/science/article/pii/0022489889900025
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作者: 123vs123    时间: 2013-12-8 15:46





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