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詢問加工的難易程度 |
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點評
機械就是這點好,錯誤的圖紙可以生產(chǎn)出正確的零件,。哈,。畫圖工不值錢。
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點評
整數(shù)小數(shù),確實如你所言,。,。取整有理,取小數(shù)同樣有理,。
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