樓主: 阿基里斯
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攻絲的煩惱:螺紋總是斷絲錐,,今天已經(jīng)是第4個(gè)了 |
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點(diǎn)評(píng)
只有手用絲錐才分一二三攻,,現(xiàn)在機(jī)用絲錐都是一刀出的,,要是分123攻就不怕亂牙么?
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