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求指點鏈條輸送機的扭矩和電機功率計算 |
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點評
我反著計算了一下他那個字母值大約是3.13,那不是n,,是pi,,字符顯示問題,看著像n而已,,該字符復(fù)制到百度搜索引擎里面立馬就看出來了,。60是每分鐘60秒
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點評
線速度轉(zhuǎn)換成m/s
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