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請(qǐng)教:小內(nèi)徑的深孔鏜削問題! |
點(diǎn)評(píng)
如果是5個(gè)的孔20深。0.018的公差,�,?傞L(zhǎng)是50.還有30長(zhǎng)的孔是3個(gè)的�,?缀屯鈭A同心度都是0.02,。還要大批量生產(chǎn)。又如何
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