6443| 10
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硬質(zhì)合金鉆頭鉆出的孔小0.01-0.02如何解釋? |
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點(diǎn)評
鉆的孔小了,那就先檢測鉆孔合格的鉆頭和不合格的鉆頭的直徑,然后再作打算。
那你自己先要表達(dá)清楚嘛,不然我們怎么了解情況呢,你說是吧。
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