3135| 7
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如何測(cè)量這樣的長(zhǎng)度,? |
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點(diǎn)評(píng)
關(guān)鍵是像我說(shuō)的那樣,,都在公差范圍內(nèi),,都可以用。分段磨削,,兩端公差大,,中間公差小,還不如一個(gè)公差,,都用小的,,光軸更好加工
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