樓主: eb1525
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關(guān)于絲錐退刀時(shí)斷裂的問題 |
點(diǎn)評(píng)
這個(gè)是正解,如果自己會(huì)磨絲錐的話把后面的角度磨小點(diǎn)。用油成本就高。
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