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今天在鋁塊上攻M4的通孔,,絲攻老是斷 |
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點(diǎn)評(píng)
辦法真比困難多,,困難就只有一個(gè)。
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點(diǎn)評(píng)
樓主用機(jī)器攻牙,,貌似攻一下退一下不好控制
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