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最佳答案：Hydraulic technology is widely applied in machinofacture、 metallurgy、aviation、li
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最佳答案：The piezoelectricity ceramics have quickly respond, the energy densityhigher cha
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最佳答案：Salient feature of the modern tools of structural innovation in speed walking sp
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最佳答案：minwoo001你好.你看我翻译怎么样 我把你要翻译的文章去GOOGLE 里翻译 出来的结果你看一下满意吗?Currently mechanized pack