3777| 3
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請教過盈磨差力的計算。 |
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點(diǎn)評
暈,推導(dǎo)過程對我來說太難看懂了,最后的P啥意思;請再指點(diǎn)下。
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點(diǎn)評
大師,輸入沒仔細(xì),意思理解就可以了 ^-^
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