3424| 8
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踏踏實實做機床,主軸打刀時的伸長量 |
評分
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點評
我表達(dá)的不清楚
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點評
???,不理解,我可能表達(dá)的不太清楚,你仔細(xì)看看
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點評
截個圖,詳細(xì)說一下唄
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