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車(chē)床車(chē)出來(lái)軸承和磨床磨出來(lái)的差距有多大? |
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點(diǎn)評(píng)
還是不懂。不過(guò) 車(chē)與磨 做比較這結(jié)論很容易,參見(jiàn)各樓意見(jiàn)
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